56045042 has 4 divisors (see below), whose sum is σ = 84067566. Its totient is φ = 28022520.

The previous prime is 56045027. The next prime is 56045051. The reversal of 56045042 is 24054065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55785961 + 259081 = 7469^2 + 509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14011259 + ... + 14011262.

Almost surely, 2^56045042 is an apocalyptic number.

56045042 is a deficient number, since it is larger than the sum of its proper divisors (28022524).

56045042 is a wasteful number, since it uses less digits than its factorization.

56045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022523.

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

The square root of 56045042 is about 7486.3236638553. The cubic root of 56045042 is about 382.6887831687.

The spelling of 56045042 in words is "fifty-six million, forty-five thousand, forty-two".