56729793 has 4 divisors (see below), whose sum is σ = 75639728. Its totient is φ = 37819860.

The previous prime is 56729779. The next prime is 56729807. The reversal of 56729793 is 39792765.

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 an interprime number because it is at equal distance from previous prime (56729779) and next prime (56729807).

It is not a de Polignac number, because 56729793 - 2¹⁷ = 56598721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56729723) 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, 9454963 + ... + 9454968.

It is an arithmetic number, because the mean of its divisors is an integer number (18909932).

Almost surely, 2^56729793 is an apocalyptic number.

It is an amenable number.

56729793 is a deficient number, since it is larger than the sum of its proper divisors (18909935).

56729793 is a wasteful number, since it uses less digits than its factorization.

56729793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909934.

The product of its digits is 714420, while the sum is 48.

The square root of 56729793 is about 7531.9182815535. The cubic root of 56729793 is about 384.2410257125.

The spelling of 56729793 in words is "fifty-six million, seven hundred twenty-nine thousand, seven hundred ninety-three".