55065134631 has 24 divisors (see below), whose sum is σ = 80460245376. Its totient is φ = 33477943200.

The previous prime is 55065134591. The next prime is 55065134633. The reversal of 55065134631 is 13643156055.

It is not a de Polignac number, because 55065134631 - 2⁶ = 55065134567 is a prime.

It is a super-2 number, since 2×55065134631² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 55065134631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065134633) 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, 612195 + ... + 696356.

It is an arithmetic number, because the mean of its divisors is an integer number (3352510224).

Almost surely, 2^55065134631 is an apocalyptic number.

55065134631 is a deficient number, since it is larger than the sum of its proper divisors (25395110745).

55065134631 is a wasteful number, since it uses less digits than its factorization.

55065134631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308663 (or 1308650 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 55065134631 in words is "fifty-five billion, sixty-five million, one hundred thirty-four thousand, six hundred thirty-one".