55616070231 has 96 divisors (see below), whose sum is σ = 89891343360. Its totient is φ = 34237292544.

The previous prime is 55616070217. The next prime is 55616070239. The reversal of 55616070231 is 13207061655.

55616070231 is a `hidden beast` number, since 5 + 5 + 616 + 0 + 7 + 0 + 2 + 31 = 666.

It is not a de Polignac number, because 55616070231 - 2¹⁰ = 55616069207 is a prime.

It is a super-2 number, since 2×55616070231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616070239) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62984916 + ... + 62985798.

It is an arithmetic number, because the mean of its divisors is an integer number (936368160).

Almost surely, 2^55616070231 is an apocalyptic number.

55616070231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55616070231 is a deficient number, since it is larger than the sum of its proper divisors (34275273129).

55616070231 is a wasteful number, since it uses less digits than its factorization.

55616070231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 55616070231 in words is "fifty-five billion, six hundred sixteen million, seventy thousand, two hundred thirty-one".