56588990 has 8 divisors (see below), whose sum is σ = 101860200. Its totient is φ = 22635592.

The previous prime is 56588957. The next prime is 56588999. The reversal of 56588990 is 9988565.

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 (56588999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829440 + ... + 2829459.

It is an arithmetic number, because the mean of its divisors is an integer number (12732525).

Almost surely, 2^56588990 is an apocalyptic number.

56588990 is a deficient number, since it is larger than the sum of its proper divisors (45271210).

56588990 is a wasteful number, since it uses less digits than its factorization.

56588990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658906.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 56588990 is about 7522.5653868876. The cubic root of 56588990 is about 383.9228677182.

The spelling of 56588990 in words is "fifty-six million, five hundred eighty-eight thousand, nine hundred ninety".