56801560 has 16 divisors (see below), whose sum is σ = 127803600. Its totient is φ = 22720608.

The previous prime is 56801527. The next prime is 56801561. The reversal of 56801560 is 6510865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56801561) 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, 709980 + ... + 710059.

It is an arithmetic number, because the mean of its divisors is an integer number (7987725).

Almost surely, 2^56801560 is an apocalyptic number.

It is an amenable number.

56801560 is an abundant number, since it is smaller than the sum of its proper divisors (71002040).

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

56801560 is a wasteful number, since it uses less digits than its factorization.

56801560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420050 (or 1420046 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 56801560 is about 7536.6809671101. The cubic root of 56801560 is about 384.4029876728.

The spelling of 56801560 in words is "fifty-six million, eight hundred one thousand, five hundred sixty".