55893555931 has 2 divisors, whose sum is σ = 55893555932. Its totient is φ = 55893555930.

The previous prime is 55893555929. The next prime is 55893555943. The reversal of 55893555931 is 13955539855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55893555931 - 2¹ = 55893555929 is a prime.

It is a super-2 number, since 2×55893555931² (a number of 22 digits) contains 22 as substring.

Together with 55893555929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55893553931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946777965 + 27946777966.

It is an arithmetic number, because the mean of its divisors is an integer number (27946777966).

Almost surely, 2^55893555931 is an apocalyptic number.

55893555931 is a deficient number, since it is larger than the sum of its proper divisors (1).

55893555931 is an equidigital number, since it uses as much as digits as its factorization.

55893555931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18225000, while the sum is 58.

The spelling of 55893555931 in words is "fifty-five billion, eight hundred ninety-three million, five hundred fifty-five thousand, nine hundred thirty-one".