57122296 has 64 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 21770880.

The previous prime is 57122251. The next prime is 57122297. The reversal of 57122296 is 69222175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57122297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27966 + ... + 29938.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^57122296 is an apocalyptic number.

57122296 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57122296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68221440).

57122296 is an abundant number, since it is smaller than the sum of its proper divisors (79320584).

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

57122296 is a wasteful number, since it uses less digits than its factorization.

57122296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 57122296 is about 7557.9293460577. The cubic root of 57122296 is about 385.1251541162.

It can be divided in two parts, 5712 and 2296, that added together give a palindrome (8008).

The spelling of 57122296 in words is "fifty-seven million, one hundred twenty-two thousand, two hundred ninety-six".