56426623 has 8 divisors (see below), whose sum is σ = 62249040. Its totient is φ = 50719680.

The previous prime is 56426581. The next prime is 56426641. The reversal of 56426623 is 32662465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56426623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56426653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27840 + ... + 29797.

It is an arithmetic number, because the mean of its divisors is an integer number (7781130).

Almost surely, 2^56426623 is an apocalyptic number.

56426623 is a deficient number, since it is larger than the sum of its proper divisors (5822417).

56426623 is a wasteful number, since it uses less digits than its factorization.

56426623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57737.

The product of its digits is 51840, while the sum is 34.

The square root of 56426623 is about 7511.7656379842. The cubic root of 56426623 is about 383.5553279152. Note that the first 3 decimals are identical.

The spelling of 56426623 in words is "fifty-six million, four hundred twenty-six thousand, six hundred twenty-three".