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55304042696 = 2371619609989
BaseRepresentation
bin110011100000011000…
…001011100011001000
312021202020022110100122
4303200120023203020
51401230313331241
641223433322412
73665325415040
oct634030134310
9167666273318
1055304042696
11214aa765911
12a875266408
1352a48b3526
142968d38720
15168a35804b
hexce060b8c8

55304042696 has 32 divisors (see below), whose sum is σ = 118582056000. Its totient is φ = 23687054016.

The previous prime is 55304042683. The next prime is 55304042699. The reversal of 55304042696 is 69624040355.

It is not an unprimeable number, because it can be changed into a prime (55304042699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214331 + ... + 395658.

It is an arithmetic number, because the mean of its divisors is an integer number (3705689250).

Almost surely, 255304042696 is an apocalyptic number.

55304042696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55304042696 is an abundant number, since it is smaller than the sum of its proper divisors (63278013304).

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

55304042696 is a wasteful number, since it uses less digits than its factorization.

55304042696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611621 (or 611617 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 55304042696 in words is "fifty-five billion, three hundred four million, forty-two thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 1619 3238 6476 11333 12952 22666 45332 90664 609989 1219978 2439956 4269923 4879912 8539846 17079692 34159384 987572191 1975144382 3950288764 6913005337 7900577528 13826010674 27652021348 55304042696