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55260215941 = 7231131927581
BaseRepresentation
bin110011011101110000…
…111111101010000101
312021122011211211100111
4303131300333222011
51401133103402231
641215230113021
73664254041200
oct633560775205
9167564754314
1055260215941
1121487a51157
12a86264b771
1352987a9c38
1429631aa937
15168659c4b1
hexcddc3fa85

55260215941 has 24 divisors (see below), whose sum is σ = 66408629760. Its totient is φ = 45801554400.

The previous prime is 55260215939. The next prime is 55260215977. The reversal of 55260215941 is 14951206255.

It is not a de Polignac number, because 55260215941 - 21 = 55260215939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55260215894 and 55260215903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55260215141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1989771 + ... + 2017351.

It is an arithmetic number, because the mean of its divisors is an integer number (2767026240).

Almost surely, 255260215941 is an apocalyptic number.

It is an amenable number.

55260215941 is a deficient number, since it is larger than the sum of its proper divisors (11148413819).

55260215941 is a wasteful number, since it uses less digits than its factorization.

55260215941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28945 (or 28938 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 55260215941 in words is "fifty-five billion, two hundred sixty million, two hundred fifteen thousand, nine hundred forty-one".

Divisors: 1 7 31 49 217 1319 1519 9233 27581 40889 64631 193067 286223 855011 1351469 2003561 5985077 36379339 41895539 254655373 1127759509 1782587611 7894316563 55260215941