56071357 has 4 divisors (see below), whose sum is σ = 56117500. Its totient is φ = 56025216.

The previous prime is 56071339. The next prime is 56071369. The reversal of 56071357 is 75317065.

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 26357956 + 29713401 = 5134^2 + 5451^2 .

It is a cyclic number.

It is not a de Polignac number, because 56071357 - 2⁷ = 56071229 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 (56471357) 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, 21198 + ... + 23695.

It is an arithmetic number, because the mean of its divisors is an integer number (14029375).

Almost surely, 2^56071357 is an apocalyptic number.

It is an amenable number.

56071357 is a deficient number, since it is larger than the sum of its proper divisors (46143).

56071357 is a wasteful number, since it uses less digits than its factorization.

56071357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46142.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 56071357 is about 7488.0809958226. The cubic root of 56071357 is about 382.7486688085.

It can be divided in two parts, 560 and 71357, that added together give a palindrome (71917).

The spelling of 56071357 in words is "fifty-six million, seventy-one thousand, three hundred fifty-seven".