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55406314460 = 22571249316861
BaseRepresentation
bin110011100110011110…
…010100001111011100
312022000100202101211202
4303212132110033130
51401433004030320
641241525335032
74001006621330
oct634636241734
9168010671752
1055406314460
1121552469132
12a8a3567478
1352bcb41073
14297875b7c0
15169430ab75
hexce67943dc

55406314460 has 48 divisors (see below), whose sum is σ = 133082040000. Its totient is φ = 18981181440.

The previous prime is 55406314459. The next prime is 55406314493. The reversal of 55406314460 is 6441360455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16430 + ... + 333290.

It is an arithmetic number, because the mean of its divisors is an integer number (2772542500).

Almost surely, 255406314460 is an apocalyptic number.

It is an amenable number.

55406314460 is an abundant number, since it is smaller than the sum of its proper divisors (77675725540).

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

55406314460 is a wasteful number, since it uses less digits than its factorization.

55406314460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318126 (or 318124 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 55406314460 in words is "fifty-five billion, four hundred six million, three hundred fourteen thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1249 2498 4996 6245 8743 12490 17486 24980 34972 43715 87430 174860 316861 633722 1267444 1584305 2218027 3168610 4436054 6337220 8872108 11090135 22180270 44360540 395759389 791518778 1583037556 1978796945 2770315723 3957593890 5540631446 7915187780 11081262892 13851578615 27703157230 55406314460