56243542 has 4 divisors (see below), whose sum is σ = 84365316. Its totient is φ = 28121770.

The previous prime is 56243521. The next prime is 56243581. The reversal of 56243542 is 24534265.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14060884 + ... + 14060887.

It is an arithmetic number, because the mean of its divisors is an integer number (21091329).

Almost surely, 2^56243542 is an apocalyptic number.

56243542 is a deficient number, since it is larger than the sum of its proper divisors (28121774).

56243542 is a wasteful number, since it uses less digits than its factorization.

56243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121773.

The product of its digits is 28800, while the sum is 31.

The square root of 56243542 is about 7499.5694543087. The cubic root of 56243542 is about 383.1400524465.

The spelling of 56243542 in words is "fifty-six million, two hundred forty-three thousand, five hundred forty-two".