56002158 has 32 divisors (see below), whose sum is σ = 131001600. Its totient is φ = 17684568.

The previous prime is 56002157. The next prime is 56002181. The reversal of 56002158 is 85120065.

56002158 is a `hidden beast` number, since 5 + 600 + 2 + 1 + 58 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56002153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26266 + ... + 28317.

It is an arithmetic number, because the mean of its divisors is an integer number (4093800).

Almost surely, 2^56002158 is an apocalyptic number.

56002158 is an abundant number, since it is smaller than the sum of its proper divisors (74999442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56002158 is a wasteful number, since it uses less digits than its factorization.

56002158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54613 (or 54607 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 56002158 is about 7483.4589595988. The cubic root of 56002158 is about 382.5911509027.

The spelling of 56002158 in words is "fifty-six million, two thousand, one hundred fifty-eight".