56729590 has 8 divisors (see below), whose sum is σ = 102113280. Its totient is φ = 22691832.

The previous prime is 56729567. The next prime is 56729591. The reversal of 56729590 is 9592765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56729591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836470 + ... + 2836489.

It is an arithmetic number, because the mean of its divisors is an integer number (12764160).

Almost surely, 2^56729590 is an apocalyptic number.

56729590 is a deficient number, since it is larger than the sum of its proper divisors (45383690).

56729590 is a wasteful number, since it uses less digits than its factorization.

56729590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672966.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 56729590 is about 7531.9048055588. The cubic root of 56729590 is about 384.2405673936.

The spelling of 56729590 in words is "fifty-six million, seven hundred twenty-nine thousand, five hundred ninety".