55013492961 has 24 divisors (see below), whose sum is σ = 90822311424. Its totient is φ = 31434071040.

The previous prime is 55013492927. The next prime is 55013492993. The reversal of 55013492961 is 16929431055.

55013492961 is a `hidden beast` number, since 550 + 1 + 3 + 4 + 9 + 2 + 96 + 1 = 666.

55013492961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55013492961 - 2¹⁴ = 55013476577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55013492921) 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, 1389601 + ... + 1428641.

It is an arithmetic number, because the mean of its divisors is an integer number (3784262976).

Almost surely, 2^55013492961 is an apocalyptic number.

It is an amenable number.

55013492961 is a deficient number, since it is larger than the sum of its proper divisors (35808818463).

55013492961 is a wasteful number, since it uses less digits than its factorization.

55013492961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61421 (or 61418 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 55013492961 in words is "fifty-five billion, thirteen million, four hundred ninety-two thousand, nine hundred sixty-one".