57062320 has 160 divisors (see below), whose sum is σ = 165703680. Its totient is φ = 17832960.

The previous prime is 57062311. The next prime is 57062323. The reversal of 57062320 is 2326075.

It is a super-2 number, since 2×57062320² = 6512216727564800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57062323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329754 + ... + 329926.

It is an arithmetic number, because the mean of its divisors is an integer number (1035648).

Almost surely, 2^57062320 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 57062320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82851840).

57062320 is an abundant number, since it is smaller than the sum of its proper divisors (108641360).

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

57062320 is a wasteful number, since it uses less digits than its factorization.

57062320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 57062320 is about 7553.9605505986. The cubic root of 57062320 is about 384.9903185287.

Adding to 57062320 its reverse (2326075), we get a palindrome (59388395).

The spelling of 57062320 in words is "fifty-seven million, sixty-two thousand, three hundred twenty".