57899394 has 64 divisors (see below), whose sum is σ = 150220800. Its totient is φ = 16185744.

The previous prime is 57899381. The next prime is 57899407. The reversal of 57899394 is 49399875.

It is an interprime number because it is at equal distance from previous prime (57899381) and next prime (57899407).

It is a super-3 number, since 3×57899394³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 57899394.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16137 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (2347200).

Almost surely, 2^57899394 is an apocalyptic number.

57899394 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57899394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75110400).

57899394 is an abundant number, since it is smaller than the sum of its proper divisors (92321406).

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

57899394 is a wasteful number, since it uses less digits than its factorization.

57899394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324 (or 3318 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 57899394 is about 7609.1651316028. The cubic root of 57899394 is about 386.8637222230.

The spelling of 57899394 in words is "fifty-seven million, eight hundred ninety-nine thousand, three hundred ninety-four".