56631083426 has 4 divisors (see below), whose sum is σ = 84946625142. Its totient is φ = 28315541712.

The previous prime is 56631083407. The next prime is 56631083459. The reversal of 56631083426 is 62438013665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62438013665 = 5 ⋅12487602733.

It can be written as a sum of positive squares in only one way, i.e., 56548364401 + 82719025 = 237799^2 + 9095^2 .

It is a super-2 number, since 2×56631083426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14157770855 + ... + 14157770858.

Almost surely, 2^56631083426 is an apocalyptic number.

56631083426 is a deficient number, since it is larger than the sum of its proper divisors (28315541716).

56631083426 is a wasteful number, since it uses less digits than its factorization.

56631083426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315541715.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 56631083426 in words is "fifty-six billion, six hundred thirty-one million, eighty-three thousand, four hundred twenty-six".