55555600131 has 12 divisors (see below), whose sum is σ = 80272996440. Its totient is φ = 37025058240.

The previous prime is 55555600097. The next prime is 55555600153. The reversal of 55555600131 is 13100655555.

It is not a de Polignac number, because 55555600131 - 2¹¹ = 55555598083 is a prime.

It is a super-2 number, since 2×55555600131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55555600931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 971365 + ... + 1026966.

It is an arithmetic number, because the mean of its divisors is an integer number (6689416370).

Almost surely, 2^55555600131 is an apocalyptic number.

55555600131 is a deficient number, since it is larger than the sum of its proper divisors (24717396309).

55555600131 is a wasteful number, since it uses less digits than its factorization.

55555600131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001426 (or 2001423 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 55555600131 in words is "fifty-five billion, five hundred fifty-five million, six hundred thousand, one hundred thirty-one".