56554640374 has 4 divisors (see below), whose sum is σ = 84831960564. Its totient is φ = 28277320186.

The previous prime is 56554640371. The next prime is 56554640413. The reversal of 56554640374 is 47304645565.

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

It is a Smith number, since the sum of its digits (49) 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 not an unprimeable number, because it can be changed into a prime (56554640371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14138660092 + ... + 14138660095.

It is an arithmetic number, because the mean of its divisors is an integer number (21207990141).

Almost surely, 2^56554640374 is an apocalyptic number.

56554640374 is a deficient number, since it is larger than the sum of its proper divisors (28277320190).

56554640374 is a wasteful number, since it uses less digits than its factorization.

56554640374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28277320189.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 56554640374 in words is "fifty-six billion, five hundred fifty-four million, six hundred forty thousand, three hundred seventy-four".