56770537 has 4 divisors (see below), whose sum is σ = 59758480. Its totient is φ = 53782596.

The previous prime is 56770523. The next prime is 56770541. The reversal of 56770537 is 73507765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56770537 - 2¹¹ = 56768489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56770537.

It is not an unprimeable number, because it can be changed into a prime (56770237) 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, 1493943 + ... + 1493980.

It is an arithmetic number, because the mean of its divisors is an integer number (14939620).

Almost surely, 2^56770537 is an apocalyptic number.

It is an amenable number.

56770537 is a deficient number, since it is larger than the sum of its proper divisors (2987943).

56770537 is a wasteful number, since it uses less digits than its factorization.

56770537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987942.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 56770537 is about 7534.6225519265. The cubic root of 56770537 is about 384.3329924965.

The spelling of 56770537 in words is "fifty-six million, seven hundred seventy thousand, five hundred thirty-seven".