56357765 has 8 divisors (see below), whose sum is σ = 67740288. Its totient is φ = 45012240.

The previous prime is 56357761. The next prime is 56357779. The reversal of 56357765 is 56775365.

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

It is not a de Polignac number, because 56357765 - 2² = 56357761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56357761) 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, 5777 + ... + 12086.

It is an arithmetic number, because the mean of its divisors is an integer number (8467536).

Almost surely, 2^56357765 is an apocalyptic number.

It is an amenable number.

56357765 is a deficient number, since it is larger than the sum of its proper divisors (11382523).

56357765 is a wasteful number, since it uses less digits than its factorization.

56357765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18499.

The product of its digits is 661500, while the sum is 44.

The square root of 56357765 is about 7507.1808956492. The cubic root of 56357765 is about 383.3992455449.

The spelling of 56357765 in words is "fifty-six million, three hundred fifty-seven thousand, seven hundred sixty-five".