56053442 has 4 divisors (see below), whose sum is σ = 84080166. Its totient is φ = 28026720.

The previous prime is 56053441. The next prime is 56053447. The reversal of 56053442 is 24435065.

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., 42133081 + 13920361 = 6491^2 + 3731^2 .

It is not an unprimeable number, because it can be changed into a prime (56053441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14013359 + ... + 14013362.

Almost surely, 2^56053442 is an apocalyptic number.

56053442 is a deficient number, since it is larger than the sum of its proper divisors (28026724).

56053442 is a wasteful number, since it uses less digits than its factorization.

56053442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28026723.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 56053442 is about 7486.8846658674. The cubic root of 56053442 is about 382.7079012749.

The spelling of 56053442 in words is "fifty-six million, fifty-three thousand, four hundred forty-two".