56081757 has 8 divisors (see below), whose sum is σ = 74815776. Its totient is φ = 37367792.

The previous prime is 56081723. The next prime is 56081777. The reversal of 56081757 is 75718065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56081757 - 2⁷ = 56081629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56081717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658 + ... + 11204.

It is an arithmetic number, because the mean of its divisors is an integer number (9351972).

Almost surely, 2^56081757 is an apocalyptic number.

It is an amenable number.

56081757 is a deficient number, since it is larger than the sum of its proper divisors (18734019).

56081757 is a wasteful number, since it uses less digits than its factorization.

56081757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10027.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 56081757 is about 7488.7754005578. The cubic root of 56081757 is about 382.7723311577.

The spelling of 56081757 in words is "fifty-six million, eighty-one thousand, seven hundred fifty-seven".