56850138 has 24 divisors (see below), whose sum is σ = 124737600. Its totient is φ = 18709704.

The previous prime is 56850133. The next prime is 56850151. The reversal of 56850138 is 83105865.

It is not an unprimeable number, because it can be changed into a prime (56850133) 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, 18568 + ... + 21411.

It is an arithmetic number, because the mean of its divisors is an integer number (5197400).

Almost surely, 2^56850138 is an apocalyptic number.

56850138 is an abundant number, since it is smaller than the sum of its proper divisors (67887462).

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

56850138 is a wasteful number, since it uses less digits than its factorization.

56850138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40066 (or 40063 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 56850138 is about 7539.9030497746. The cubic root of 56850138 is about 384.5125398724.

The spelling of 56850138 in words is "fifty-six million, eight hundred fifty thousand, one hundred thirty-eight".