57106224 has 120 divisors (see below), whose sum is σ = 184245152. Its totient is φ = 16174080.

The previous prime is 57106219. The next prime is 57106243. The reversal of 57106224 is 42260175.

It is a super-2 number, since 2×57106224² = 6522241639076352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182292 + ... + 182604.

Almost surely, 2^57106224 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 57106224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92122576).

57106224 is an abundant number, since it is smaller than the sum of its proper divisors (127138928).

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

57106224 is a wasteful number, since it uses less digits than its factorization.

57106224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 57106224 is about 7556.8660170735. The cubic root of 57106224 is about 385.0890309646.

Adding to 57106224 its reverse (42260175), we get a palindrome (99366399).

The spelling of 57106224 in words is "fifty-seven million, one hundred six thousand, two hundred twenty-four".