55753431507 has 24 divisors (see below), whose sum is σ = 80742208560. Its totient is φ = 37072365120.

The previous prime is 55753431499. The next prime is 55753431563. The reversal of 55753431507 is 70513435755.

55753431507 is a `hidden beast` number, since 5 + 57 + 53 + 43 + 1 + 507 = 666.

It is not a de Polignac number, because 55753431507 - 2³ = 55753431499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55753431577) 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, 15327693 + ... + 15331329.

It is an arithmetic number, because the mean of its divisors is an integer number (3364258690).

Almost surely, 2^55753431507 is an apocalyptic number.

55753431507 is a deficient number, since it is larger than the sum of its proper divisors (24988777053).

55753431507 is a wasteful number, since it uses less digits than its factorization.

55753431507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603 (or 7600 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 45.

The spelling of 55753431507 in words is "fifty-five billion, seven hundred fifty-three million, four hundred thirty-one thousand, five hundred seven".