56701261 has 4 divisors (see below), whose sum is σ = 56869852. Its totient is φ = 56532672.

The previous prime is 56701243. The next prime is 56701303. The reversal of 56701261 is 16210765.

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 15163236 + 41538025 = 3894^2 + 6445^2 .

It is a cyclic number.

It is not a de Polignac number, because 56701261 - 2²⁵ = 23146829 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 (56701231) 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, 83790 + ... + 84463.

It is an arithmetic number, because the mean of its divisors is an integer number (14217463).

Almost surely, 2^56701261 is an apocalyptic number.

It is an amenable number.

56701261 is a deficient number, since it is larger than the sum of its proper divisors (168591).

56701261 is a wasteful number, since it uses less digits than its factorization.

56701261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168590.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 56701261 is about 7530.0239707454. The cubic root of 56701261 is about 384.1765974651.

The spelling of 56701261 in words is "fifty-six million, seven hundred one thousand, two hundred sixty-one".