56792220 has 96 divisors (see below), whose sum is σ = 164989440. Its totient is φ = 14588160.

The previous prime is 56792213. The next prime is 56792287. The reversal of 56792220 is 2229765.

56792220 = 1172² + 1173² + ... + 1211².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215809 + ... + 216071.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^56792220 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 56792220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82494720).

56792220 is an abundant number, since it is smaller than the sum of its proper divisors (108197220).

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

56792220 is a wasteful number, since it uses less digits than its factorization.

56792220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 56792220 is about 7536.0613054831. The cubic root of 56792220 is about 384.3819171205.

The spelling of 56792220 in words is "fifty-six million, seven hundred ninety-two thousand, two hundred twenty".