56285990 has 8 divisors (see below), whose sum is σ = 101314800. Its totient is φ = 22514392.

The previous prime is 56285969. The next prime is 56286007. The reversal of 56285990 is 9958265.

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

It is a super-2 number, since 2×56285990² = 6336225340560200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814290 + ... + 2814309.

It is an arithmetic number, because the mean of its divisors is an integer number (12664350).

Almost surely, 2^56285990 is an apocalyptic number.

56285990 is a deficient number, since it is larger than the sum of its proper divisors (45028810).

56285990 is a wasteful number, since it uses less digits than its factorization.

56285990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628606.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 56285990 is about 7502.3989496694. The cubic root of 56285990 is about 383.2364157422.

It can be divided in two parts, 56285 and 990, that added together give a palindrome (57275).

The spelling of 56285990 in words is "fifty-six million, two hundred eighty-five thousand, nine hundred ninety".