542851656 has 16 divisors (see below), whose sum is σ = 1357129200. Its totient is φ = 180950544.

The previous prime is 542851649. The next prime is 542851663. The reversal of 542851656 is 656158245.

It is an interprime number because it is at equal distance from previous prime (542851649) and next prime (542851663).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11309386 + ... + 11309433.

It is an arithmetic number, because the mean of its divisors is an integer number (84820575).

Almost surely, 2^542851656 is an apocalyptic number.

It is an amenable number.

542851656 is an abundant number, since it is smaller than the sum of its proper divisors (814277544).

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

542851656 is a wasteful number, since it uses less digits than its factorization.

542851656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22618828 (or 22618824 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 542851656 is about 23299.1771528524. The cubic root of 542851656 is about 815.7562108134.

The spelling of 542851656 in words is "five hundred forty-two million, eight hundred fifty-one thousand, six hundred fifty-six".