56758997 has 4 divisors (see below), whose sum is σ = 56894880. Its totient is φ = 56623116.

The previous prime is 56758993. The next prime is 56759029. The reversal of 56758997 is 79985765.

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 56758997 - 2² = 56758993 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 (56758991) 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, 67313 + ... + 68150.

It is an arithmetic number, because the mean of its divisors is an integer number (14223720).

Almost surely, 2^56758997 is an apocalyptic number.

It is an amenable number.

56758997 is a deficient number, since it is larger than the sum of its proper divisors (135883).

56758997 is a wasteful number, since it uses less digits than its factorization.

56758997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135882.

The product of its digits is 4762800, while the sum is 56.

The square root of 56758997 is about 7533.8567148573. The cubic root of 56758997 is about 384.3069490385.

The spelling of 56758997 in words is "fifty-six million, seven hundred fifty-eight thousand, nine hundred ninety-seven".