56156551226 has 4 divisors (see below), whose sum is σ = 84234826842. Its totient is φ = 28078275612.

The previous prime is 56156551219. The next prime is 56156551247. The reversal of 56156551226 is 62215565165.

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

It can be written as a sum of positive squares in only one way, i.e., 48906880201 + 7249671025 = 221149^2 + 85145^2 .

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, 14039137805 + ... + 14039137808.

Almost surely, 2^56156551226 is an apocalyptic number.

56156551226 is a deficient number, since it is larger than the sum of its proper divisors (28078275616).

56156551226 is a wasteful number, since it uses less digits than its factorization.

56156551226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28078275615.

The product of its digits is 540000, while the sum is 44.

The spelling of 56156551226 in words is "fifty-six billion, one hundred fifty-six million, five hundred fifty-one thousand, two hundred twenty-six".