56597801 has 4 divisors (see below), whose sum is σ = 60951492. Its totient is φ = 52244112.

The previous prime is 56597791. The next prime is 56597809. The reversal of 56597801 is 10879565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25806400 + 30791401 = 5080^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 56597801 - 2²² = 52403497 is a prime.

It is a super-2 number, since 2×56597801² = 6406622156071202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56597809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176826 + ... + 2176851.

It is an arithmetic number, because the mean of its divisors is an integer number (15237873).

Almost surely, 2^56597801 is an apocalyptic number.

It is an amenable number.

56597801 is a deficient number, since it is larger than the sum of its proper divisors (4353691).

56597801 is a wasteful number, since it uses less digits than its factorization.

56597801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353690.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 56597801 is about 7523.1510020735. The cubic root of 56597801 is about 383.9427924941.

The spelling of 56597801 in words is "fifty-six million, five hundred ninety-seven thousand, eight hundred one".