55855575297 has 16 divisors (see below), whose sum is σ = 83182248960. Its totient is φ = 37042088400.

The previous prime is 55855575289. The next prime is 55855575311. The reversal of 55855575297 is 79257555855.

It is a happy number.

55855575297 is a `hidden beast` number, since 5 + 5 + 8 + 55 + 57 + 529 + 7 = 666.

It is not a de Polignac number, because 55855575297 - 2³ = 55855575289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55855575277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5410354 + ... + 5420667.

It is an arithmetic number, because the mean of its divisors is an integer number (5198890560).

Almost surely, 2^55855575297 is an apocalyptic number.

It is an amenable number.

55855575297 is a deficient number, since it is larger than the sum of its proper divisors (27326673663).

55855575297 is a wasteful number, since it uses less digits than its factorization.

55855575297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831221 (or 10831215 counting only the distinct ones).

The product of its digits is 110250000, while the sum is 63.

The spelling of 55855575297 in words is "fifty-five billion, eight hundred fifty-five million, five hundred seventy-five thousand, two hundred ninety-seven".