57850320 has 160 divisors (see below), whose sum is σ = 207308160. Its totient is φ = 13189120.

The previous prime is 57850319. The next prime is 57850321. The reversal of 57850320 is 2305875.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57850319) and next prime (57850321).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57850321) 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, 44236 + ... + 45524.

It is an arithmetic number, because the mean of its divisors is an integer number (1295676).

Almost surely, 2^57850320 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 57850320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103654080).

57850320 is an abundant number, since it is smaller than the sum of its proper divisors (149457840).

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

57850320 is a wasteful number, since it uses less digits than its factorization.

57850320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57850320 is about 7605.9397841424. The cubic root of 57850320 is about 386.7543928315.

The spelling of 57850320 in words is "fifty-seven million, eight hundred fifty thousand, three hundred twenty".