56597620 has 12 divisors (see below), whose sum is σ = 118855044. Its totient is φ = 22639040.

The previous prime is 56597609. The next prime is 56597659. The reversal of 56597620 is 2679565.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 50779876 = 2412^2 + 7126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414921 + ... + 1414960.

It is an arithmetic number, because the mean of its divisors is an integer number (9904587).

Almost surely, 2^56597620 is an apocalyptic number.

It is an amenable number.

56597620 is an abundant number, since it is smaller than the sum of its proper divisors (62257424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56597620 is a wasteful number, since it uses less digits than its factorization.

56597620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829890 (or 2829888 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 56597620 is about 7523.1389725300. The cubic root of 56597620 is about 383.9423832101.

The spelling of 56597620 in words is "fifty-six million, five hundred ninety-seven thousand, six hundred twenty".