57203680 has 96 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 20943360.

The previous prime is 57203621. The next prime is 57203687. The reversal of 57203680 is 8630275.

It is a super-2 number, since 2×57203680² = 6544522011084800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57203687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93937 + ... + 94543.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^57203680 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 57203680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73543680).

57203680 is an abundant number, since it is smaller than the sum of its proper divisors (89883680).

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

57203680 is a wasteful number, since it uses less digits than its factorization.

57203680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57203680 is about 7563.3114440700. The cubic root of 57203680 is about 385.3079674504.

The spelling of 57203680 in words is "fifty-seven million, two hundred three thousand, six hundred eighty".