56325621 has 12 divisors (see below), whose sum is σ = 82549376. Its totient is φ = 34136520.

The previous prime is 56325617. The next prime is 56325629. The reversal of 56325621 is 12652365.

It is not a de Polignac number, because 56325621 - 2² = 56325617 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56325629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77221 + ... + 77946.

Almost surely, 2^56325621 is an apocalyptic number.

It is an amenable number.

56325621 is a deficient number, since it is larger than the sum of its proper divisors (26223755).

56325621 is a wasteful number, since it uses less digits than its factorization.

56325621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155192 (or 155181 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 56325621 is about 7505.0397067571. The cubic root of 56325621 is about 383.3263403051.

Adding to 56325621 its reverse (12652365), we get a palindrome (68977986).

The spelling of 56325621 in words is "fifty-six million, three hundred twenty-five thousand, six hundred twenty-one".