56556424354 has 4 divisors (see below), whose sum is σ = 84834636534. Its totient is φ = 28278212176.

The previous prime is 56556424321. The next prime is 56556424361. The reversal of 56556424354 is 45342465565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45342465565 = 5 ⋅9068493113.

It can be written as a sum of positive squares in only one way, i.e., 45516089025 + 11040335329 = 213345^2 + 105073^2 .

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 junction number, because it is equal to n+sod(n) for n = 56556424298 and 56556424307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14139106087 + ... + 14139106090.

Almost surely, 2^56556424354 is an apocalyptic number.

56556424354 is a deficient number, since it is larger than the sum of its proper divisors (28278212180).

56556424354 is a wasteful number, since it uses less digits than its factorization.

56556424354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278212179.

The product of its digits is 8640000, while the sum is 49.

The spelling of 56556424354 in words is "fifty-six billion, five hundred fifty-six million, four hundred twenty-four thousand, three hundred fifty-four".