57226770 has 64 divisors (see below), whose sum is σ = 153578880. Its totient is φ = 15163200.

The previous prime is 57226769. The next prime is 57226801. The reversal of 57226770 is 7762275.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 48285 + ... + 49455.

It is an arithmetic number, because the mean of its divisors is an integer number (2399670).

Almost surely, 2^57226770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57226770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76789440).

57226770 is an abundant number, since it is smaller than the sum of its proper divisors (96352110).

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

57226770 is a wasteful number, since it uses less digits than its factorization.

57226770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 57226770 is about 7564.8377378500. The cubic root of 57226770 is about 385.3598030677.

The spelling of 57226770 in words is "fifty-seven million, two hundred twenty-six thousand, seven hundred seventy".