57814380 has 144 divisors (see below), whose sum is σ = 195197184. Its totient is φ = 13754880.

The previous prime is 57814373. The next prime is 57814381. The reversal of 57814380 is 8341875.

57814380 is a `hidden beast` number, since 578 + 1 + 4 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57814381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72142 + ... + 72938.

It is an arithmetic number, because the mean of its divisors is an integer number (1355536).

Almost surely, 2^57814380 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 57814380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97598592).

57814380 is an abundant number, since it is smaller than the sum of its proper divisors (137382804).

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

57814380 is a wasteful number, since it uses less digits than its factorization.

57814380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 57814380 is about 7603.5767899062. The cubic root of 57814380 is about 386.6742847620.

The spelling of 57814380 in words is "fifty-seven million, eight hundred fourteen thousand, three hundred eighty".