56089775 has 12 divisors (see below), whose sum is σ = 79487472. Its totient is φ = 38461440.

The previous prime is 56089771. The next prime is 56089777. The reversal of 56089775 is 57798065.

It is a happy number.

It is not a de Polignac number, because 56089775 - 2² = 56089771 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 (56089771) 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, 160082 + ... + 160431.

It is an arithmetic number, because the mean of its divisors is an integer number (6623956).

Almost surely, 2^56089775 is an apocalyptic number.

56089775 is a deficient number, since it is larger than the sum of its proper divisors (23397697).

56089775 is a wasteful number, since it uses less digits than its factorization.

56089775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320530 (or 320525 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 56089775 is about 7489.3107159471. The cubic root of 56089775 is about 382.7905719218.

The spelling of 56089775 in words is "fifty-six million, eighty-nine thousand, seven hundred seventy-five".