55100342531 has 16 divisors (see below), whose sum is σ = 59622823680. Its totient is φ = 50618887200.

The previous prime is 55100342509. The next prime is 55100342533. The reversal of 55100342531 is 13524300155.

It is a cyclic number.

It is not a de Polignac number, because 55100342531 - 2²² = 55096148227 is a prime.

It is a super-2 number, since 2×55100342531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55100342494 and 55100342503.

It is not an unprimeable number, because it can be changed into a prime (55100342533) 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, 3077756 + ... + 3095606.

It is an arithmetic number, because the mean of its divisors is an integer number (3726426480).

Almost surely, 2^55100342531 is an apocalyptic number.

55100342531 is a deficient number, since it is larger than the sum of its proper divisors (4522481149).

55100342531 is a wasteful number, since it uses less digits than its factorization.

55100342531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18986.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 55100342531 its reverse (13524300155), we get a palindrome (68624642686).

The spelling of 55100342531 in words is "fifty-five billion, one hundred million, three hundred forty-two thousand, five hundred thirty-one".