56707253 has 4 divisors (see below), whose sum is σ = 56853420. Its totient is φ = 56561088.

The previous prime is 56707249. The next prime is 56707279. The reversal of 56707253 is 35270765.

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 8168164 + 48539089 = 2858^2 + 6967^2 .

It is a cyclic number.

It is not a de Polignac number, because 56707253 - 2² = 56707249 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 (56704253) 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, 72500 + ... + 73277.

It is an arithmetic number, because the mean of its divisors is an integer number (14213355).

Almost surely, 2^56707253 is an apocalyptic number.

It is an amenable number.

56707253 is a deficient number, since it is larger than the sum of its proper divisors (146167).

56707253 is a wasteful number, since it uses less digits than its factorization.

56707253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146166.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 56707253 is about 7530.4218341339. The cubic root of 56707253 is about 384.1901298220.

The spelling of 56707253 in words is "fifty-six million, seven hundred seven thousand, two hundred fifty-three".