55999384275 has 24 divisors (see below), whose sum is σ = 92658196480. Its totient is φ = 29842935840.

The previous prime is 55999384237. The next prime is 55999384277. The reversal of 55999384275 is 57248399955.

55999384275 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 55999384275 - 2⁶ = 55999384211 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55999384277) 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, 195967 + ... + 387816.

Almost surely, 2^55999384275 is an apocalyptic number.

55999384275 is a deficient number, since it is larger than the sum of its proper divisors (36658812205).

55999384275 is a wasteful number, since it uses less digits than its factorization.

55999384275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585075 (or 585070 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 66.

The spelling of 55999384275 in words is "fifty-five billion, nine hundred ninety-nine million, three hundred eighty-four thousand, two hundred seventy-five".