56055442 has 8 divisors (see below), whose sum is σ = 84200076. Its totient is φ = 27988752.

The previous prime is 56055403. The next prime is 56055449. The reversal of 56055442 is 24455065.

It can be written as a sum of positive squares in 2 ways, for example, as 50395801 + 5659641 = 7099^2 + 2379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56055449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17653 + ... + 20584.

Almost surely, 2^56055442 is an apocalyptic number.

56055442 is a deficient number, since it is larger than the sum of its proper divisors (28144634).

56055442 is a wasteful number, since it uses less digits than its factorization.

56055442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38972.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 56055442 is about 7487.0182315792. The cubic root of 56055442 is about 382.7124529234.

The spelling of 56055442 in words is "fifty-six million, fifty-five thousand, four hundred forty-two".