56222976 has 72 divisors (see below), whose sum is σ = 157551520. Its totient is φ = 17750016.

The previous prime is 56222953. The next prime is 56222981. The reversal of 56222976 is 67922265.

It is a happy number.

It is a super-2 number, since 2×56222976² = 6322046060593152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12666 + ... + 16518.

Almost surely, 2^56222976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56222976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78775760).

56222976 is an abundant number, since it is smaller than the sum of its proper divisors (101328544).

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

56222976 is a wasteful number, since it uses less digits than its factorization.

56222976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891 (or 3877 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 56222976 is about 7498.1981835638. The cubic root of 56222976 is about 383.0933471202.

The spelling of 56222976 in words is "fifty-six million, two hundred twenty-two thousand, nine hundred seventy-six".