55152535431 has 16 divisors (see below), whose sum is σ = 86091763968. Its totient is φ = 30747057600.

The previous prime is 55152535391. The next prime is 55152535433. The reversal of 55152535431 is 13453525155.

It is not a de Polignac number, because 55152535431 - 2¹³ = 55152527239 is a prime.

It is a super-2 number, since 2×55152535431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55152535431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152535433) 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, 32027325 + ... + 32029046.

It is an arithmetic number, because the mean of its divisors is an integer number (5380735248).

Almost surely, 2^55152535431 is an apocalyptic number.

55152535431 is a deficient number, since it is larger than the sum of its proper divisors (30939228537).

55152535431 is a wasteful number, since it uses less digits than its factorization.

55152535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64056422.

The product of its digits is 225000, while the sum is 39.

The spelling of 55152535431 in words is "fifty-five billion, one hundred fifty-two million, five hundred thirty-five thousand, four hundred thirty-one".