56749929 has 4 divisors (see below), whose sum is σ = 75666576. Its totient is φ = 37833284.

The previous prime is 56749883. The next prime is 56749939. The reversal of 56749929 is 92994765.

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 56749929 - 2⁷ = 56749801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56749939) 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, 9458319 + ... + 9458324.

It is an arithmetic number, because the mean of its divisors is an integer number (18916644).

Almost surely, 2^56749929 is an apocalyptic number.

It is an amenable number.

56749929 is a deficient number, since it is larger than the sum of its proper divisors (18916647).

56749929 is a wasteful number, since it uses less digits than its factorization.

56749929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18916646.

The product of its digits is 1224720, while the sum is 51.

The square root of 56749929 is about 7533.2548742227. The cubic root of 56749929 is about 384.2864819103.

The spelling of 56749929 in words is "fifty-six million, seven hundred forty-nine thousand, nine hundred twenty-nine".