55005560555031 has 24 divisors (see below), whose sum is σ = 79736534653776. Its totient is φ = 36539280627840.

The previous prime is 55005560555027. The next prime is 55005560555039. The reversal of 55005560555031 is 13055506550055.

55005560555031 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 5 + 5 + 60 + 5 + 550 + 31 = 666.

It is not a de Polignac number, because 55005560555031 - 2² = 55005560555027 is a prime.

It is a super-2 number, since 2×55005560555031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005560555039) 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, 62712241 + ... + 63583301.

It is an arithmetic number, because the mean of its divisors is an integer number (3322355610574).

Almost surely, 2^{55005560555031} is an apocalyptic number.

55005560555031 is a deficient number, since it is larger than the sum of its proper divisors (24730974098745).

55005560555031 is a wasteful number, since it uses less digits than its factorization.

55005560555031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896143 (or 896140 counting only the distinct ones).

The product of its (nonzero) digits is 1406250, while the sum is 45.

The spelling of 55005560555031 in words is "fifty-five trillion, five billion, five hundred sixty million, five hundred fifty-five thousand, thirty-one".