56729404 has 24 divisors (see below), whose sum is σ = 102142656. Its totient is φ = 27552000.

The previous prime is 56729389. The next prime is 56729417. The reversal of 56729404 is 40492765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45469 + ... + 46699.

It is an arithmetic number, because the mean of its divisors is an integer number (4255944).

Almost surely, 2^56729404 is an apocalyptic number.

It is an amenable number.

56729404 is a deficient number, since it is larger than the sum of its proper divisors (45413252).

56729404 is a wasteful number, since it uses less digits than its factorization.

56729404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 56729404 is about 7531.8924580745. The cubic root of 56729404 is about 384.2401474550.

The spelling of 56729404 in words is "fifty-six million, seven hundred twenty-nine thousand, four hundred four".