56890330 has 32 divisors (see below), whose sum is σ = 123918336. Its totient is φ = 18357504.

The previous prime is 56890289. The next prime is 56890343. The reversal of 56890330 is 3309865.

56890330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22714 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (3872448).

Almost surely, 2^56890330 is an apocalyptic number.

56890330 is an abundant number, since it is smaller than the sum of its proper divisors (67028006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56890330 is a wasteful number, since it uses less digits than its factorization.

56890330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47838.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 56890330 is about 7542.5678651239. The cubic root of 56890330 is about 384.6031329533.

The spelling of 56890330 in words is "fifty-six million, eight hundred ninety thousand, three hundred thirty".