56250621 has 24 divisors (see below), whose sum is σ = 97747520. Its totient is φ = 30450816.

The previous prime is 56250613. The next prime is 56250631. The reversal of 56250621 is 12605265.

It is not a de Polignac number, because 56250621 - 2³ = 56250613 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 (56250631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22300 + ... + 24693.

Almost surely, 2^56250621 is an apocalyptic number.

It is an amenable number.

56250621 is a deficient number, since it is larger than the sum of its proper divisors (41496899).

56250621 is a wasteful number, since it uses less digits than its factorization.

56250621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47025 (or 47022 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 56250621 is about 7500.0413998857. The cubic root of 56250621 is about 383.1561262009.

Adding to 56250621 its reverse (12605265), we get a palindrome (68855886).

The spelling of 56250621 in words is "fifty-six million, two hundred fifty thousand, six hundred twenty-one".