55690234431 has 16 divisors (see below), whose sum is σ = 84669316704. Its totient is φ = 32254977024.

The previous prime is 55690234409. The next prime is 55690234459. The reversal of 55690234431 is 13443209655.

It is not a de Polignac number, because 55690234431 - 2⁹ = 55690233919 is a prime.

It is a super-2 number, since 2×55690234431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55690234471) 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, 41998006 + ... + 41999331.

It is an arithmetic number, because the mean of its divisors is an integer number (5291832294).

Almost surely, 2^55690234431 is an apocalyptic number.

55690234431 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55690234431 is a deficient number, since it is larger than the sum of its proper divisors (28979082273).

55690234431 is a wasteful number, since it uses less digits than its factorization.

55690234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83997370.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 55690234431 in words is "fifty-five billion, six hundred ninety million, two hundred thirty-four thousand, four hundred thirty-one".