57001896 has 144 divisors (see below), whose sum is σ = 182463840. Its totient is φ = 16027200.

The previous prime is 57001883. The next prime is 57001909. The reversal of 57001896 is 69810075.

57001896 is a `hidden beast` number, since 570 + 0 + 1 + 89 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (57001883) and next prime (57001909).

It is a super-2 number, since 2×57001896² = 6498432295189632, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57001896.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 377421 + ... + 377571.

It is an arithmetic number, because the mean of its divisors is an integer number (1267110).

Almost surely, 2^57001896 is an apocalyptic number.

57001896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57001896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91231920).

57001896 is an abundant number, since it is smaller than the sum of its proper divisors (125461944).

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

57001896 is a wasteful number, since it uses less digits than its factorization.

57001896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 57001896 is about 7549.9599998940. The cubic root of 57001896 is about 384.8543801904.

The spelling of 57001896 in words is "fifty-seven million, one thousand, eight hundred ninety-six".