56025581 has 8 divisors (see below), whose sum is σ = 56839104. Its totient is φ = 55215520.

The previous prime is 56025577. The next prime is 56025583. The reversal of 56025581 is 18552065.

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

It is a cyclic number.

It is not a de Polignac number, because 56025581 - 2² = 56025577 is a prime.

It is a super-2 number, since 2×56025581² = 6277731452775122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56025583) 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, 62720 + ... + 63606.

It is an arithmetic number, because the mean of its divisors is an integer number (7104888).

Almost surely, 2^56025581 is an apocalyptic number.

It is an amenable number.

56025581 is a deficient number, since it is larger than the sum of its proper divisors (813523).

56025581 is an equidigital number, since it uses as much as digits as its factorization.

56025581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 56025581 is about 7485.0237808573. The cubic root of 56025581 is about 382.6444832727.

The spelling of 56025581 in words is "fifty-six million, twenty-five thousand, five hundred eighty-one".