56220763 has 16 divisors (see below), whose sum is σ = 62668800. Its totient is φ = 50228640.

The previous prime is 56220743. The next prime is 56220779. The reversal of 56220763 is 36702265.

It is a cyclic number.

It is not a de Polignac number, because 56220763 - 2⁹ = 56220251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56220713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19318 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (3916800).

Almost surely, 2^56220763 is an apocalyptic number.

56220763 is a deficient number, since it is larger than the sum of its proper divisors (6448037).

56220763 is a wasteful number, since it uses less digits than its factorization.

56220763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 56220763 is about 7498.0506133261. The cubic root of 56220763 is about 383.0883207250.

The spelling of 56220763 in words is "fifty-six million, two hundred twenty thousand, seven hundred sixty-three".