55137363131 has 2 divisors, whose sum is σ = 55137363132. Its totient is φ = 55137363130.

The previous prime is 55137363097. The next prime is 55137363143. The reversal of 55137363131 is 13136373155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55137363131 - 2³⁴ = 37957493947 is a prime.

It is a super-2 number, since 2×55137363131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55137363191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568681565 + 27568681566.

It is an arithmetic number, because the mean of its divisors is an integer number (27568681566).

Almost surely, 2^55137363131 is an apocalyptic number.

55137363131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55137363131 is an equidigital number, since it uses as much as digits as its factorization.

55137363131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 38.

The spelling of 55137363131 in words is "fifty-five billion, one hundred thirty-seven million, three hundred sixty-three thousand, one hundred thirty-one".