56387422 has 32 divisors (see below), whose sum is σ = 104477184. Its totient is φ = 22226400.

The previous prime is 56387413. The next prime is 56387431. The reversal of 56387422 is 22478365.

It is an interprime number because it is at equal distance from previous prime (56387413) and next prime (56387431).

It is a Smith number, since the sum of its digits (37) 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89047 + ... + 89677.

It is an arithmetic number, because the mean of its divisors is an integer number (3264912).

Almost surely, 2^56387422 is an apocalyptic number.

56387422 is a deficient number, since it is larger than the sum of its proper divisors (48089762).

56387422 is a wasteful number, since it uses less digits than its factorization.

56387422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 80640, while the sum is 37.

The square root of 56387422 is about 7509.1558779932. The cubic root of 56387422 is about 383.4664854808.

The spelling of 56387422 in words is "fifty-six million, three hundred eighty-seven thousand, four hundred twenty-two".