55612053131 has 48 divisors (see below), whose sum is σ = 62796518784. Its totient is φ = 49020567552.

The previous prime is 55612053127. The next prime is 55612053139. The reversal of 55612053131 is 13135021655.

It is not a de Polignac number, because 55612053131 - 2² = 55612053127 is a prime.

It is a super-2 number, since 2×55612053131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55612053139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157541051 + ... + 157541403.

It is an arithmetic number, because the mean of its divisors is an integer number (1308260808).

Almost surely, 2^55612053131 is an apocalyptic number.

55612053131 is a deficient number, since it is larger than the sum of its proper divisors (7184465653).

55612053131 is a wasteful number, since it uses less digits than its factorization.

55612053131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 55612053131 its reverse (13135021655), we get a palindrome (68747074786).

The spelling of 55612053131 in words is "fifty-five billion, six hundred twelve million, fifty-three thousand, one hundred thirty-one".