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55598530372 = 227112233972039
BaseRepresentation
bin110011110001111011…
…100011111101000100
312022111202102222111121
4303301323203331010
51402331210432442
641312553243324
74005532465510
oct636173437504
9168452388447
1055598530372
1121640a14860
12a937a03544
1353209012a8
1429960b5140
1516a6128967
hexcf1ee3f44

55598530372 has 96 divisors (see below), whose sum is σ = 122216693760. Its totient is φ = 21499758720.

The previous prime is 55598530369. The next prime is 55598530441. The reversal of 55598530372 is 27303589555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27266529 + ... + 27268567.

It is an arithmetic number, because the mean of its divisors is an integer number (1273090560).

Almost surely, 255598530372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55598530372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61108346880).

55598530372 is an abundant number, since it is smaller than the sum of its proper divisors (66618163388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55598530372 is a wasteful number, since it uses less digits than its factorization.

55598530372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 52.

The spelling of 55598530372 in words is "fifty-five billion, five hundred ninety-eight million, five hundred thirty thousand, three hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 223 308 397 446 794 892 1561 1588 2039 2453 2779 3122 4078 4367 4906 5558 6244 8156 8734 9812 11116 14273 17171 17468 22429 28546 30569 34342 44858 57092 61138 68684 88531 89716 122276 157003 177062 314006 354124 454697 619717 628012 809483 909394 973841 1239434 1618966 1818788 1947682 2478868 3182879 3237932 3895364 5001667 5666381 6365758 6816887 8904313 10003334 11332762 12731516 13633774 17808626 20006668 22665524 27267548 35011669 35617252 62330191 70023338 124660382 140046676 180514709 249320764 361029418 722058836 1263602963 1985661799 2527205926 3971323598 5054411852 7942647196 13899632593 27799265186 55598530372