56457080942 has 4 divisors (see below), whose sum is σ = 84685621416. Its totient is φ = 28228540470.

The previous prime is 56457080861. The next prime is 56457080963. The reversal of 56457080942 is 24908075465.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14114270234 + ... + 14114270237.

It is an arithmetic number, because the mean of its divisors is an integer number (21171405354).

Almost surely, 2^56457080942 is an apocalyptic number.

56457080942 is a deficient number, since it is larger than the sum of its proper divisors (28228540474).

56457080942 is a wasteful number, since it uses less digits than its factorization.

56457080942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228540473.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 56457080942 in words is "fifty-six billion, four hundred fifty-seven million, eighty thousand, nine hundred forty-two".