42054056 has 32 divisors (see below), whose sum is σ = 91082880. Its totient is φ = 17990400.

The previous prime is 42054037. The next prime is 42054109. The reversal of 42054056 is 65045024.

It is a super-2 number, since 2×42054056² = 3537087252102272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12560 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (2846340).

Almost surely, 2^42054056 is an apocalyptic number.

It is an amenable number.

42054056 is an abundant number, since it is smaller than the sum of its proper divisors (49028824).

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

42054056 is a wasteful number, since it uses less digits than its factorization.

42054056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28145 (or 28141 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42054056 is about 6484.9098683019. The cubic root of 42054056 is about 347.7517276170.

The spelling of 42054056 in words is "forty-two million, fifty-four thousand, fifty-six", and thus it is an eban number.