56751497 has 4 divisors (see below), whose sum is σ = 61910736. Its totient is φ = 51592260.

The previous prime is 56751469. The next prime is 56751517. The reversal of 56751497 is 79415765.

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 56751497 - 2⁶ = 56751433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56751407) 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, 2579603 + ... + 2579624.

It is an arithmetic number, because the mean of its divisors is an integer number (15477684).

Almost surely, 2^56751497 is an apocalyptic number.

It is an amenable number.

56751497 is a deficient number, since it is larger than the sum of its proper divisors (5159239).

56751497 is a wasteful number, since it uses less digits than its factorization.

56751497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159238.

The product of its digits is 264600, while the sum is 44.

The square root of 56751497 is about 7533.3589453842. The cubic root of 56751497 is about 384.2900211549.

The spelling of 56751497 in words is "fifty-six million, seven hundred fifty-one thousand, four hundred ninety-seven".