56754749 has 4 divisors (see below), whose sum is σ = 56773920. Its totient is φ = 56735580.

The previous prime is 56754743. The next prime is 56754757. The reversal of 56754749 is 94745765.

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 56754749 - 2¹² = 56750653 is a prime.

It is a super-2 number, since 2×56754749² = 6442203068106002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56754743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4097 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (14193480).

Almost surely, 2^56754749 is an apocalyptic number.

It is an amenable number.

56754749 is a deficient number, since it is larger than the sum of its proper divisors (19171).

56754749 is a wasteful number, since it uses less digits than its factorization.

56754749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19170.

The product of its digits is 1058400, while the sum is 47.

The square root of 56754749 is about 7533.5747822664. The cubic root of 56754749 is about 384.2973612684.

The spelling of 56754749 in words is "fifty-six million, seven hundred fifty-four thousand, seven hundred forty-nine".