56880261 has 12 divisors (see below), whose sum is σ = 82423692. Its totient is φ = 37798656.

The previous prime is 56880259. The next prime is 56880269. The reversal of 56880261 is 16208865.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6200100 + 50680161 = 2490^2 + 7119^2 .

It is not a de Polignac number, because 56880261 - 2¹ = 56880259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56880269) 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, 7116 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (6868641).

Almost surely, 2^56880261 is an apocalyptic number.

It is an amenable number.

56880261 is a deficient number, since it is larger than the sum of its proper divisors (25543431).

56880261 is a wasteful number, since it uses less digits than its factorization.

56880261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260 (or 20257 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56880261 is about 7541.9003573370. The cubic root of 56880261 is about 384.5804413557.

The spelling of 56880261 in words is "fifty-six million, eight hundred eighty thousand, two hundred sixty-one".