57476216 has 48 divisors (see below), whose sum is σ = 131977800. Its totient is φ = 23333184.

The previous prime is 57476203. The next prime is 57476249. The reversal of 57476216 is 61267475.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 57476216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3590 + ... + 11306.

Almost surely, 2^57476216 is an apocalyptic number.

57476216 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 57476216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65988900).

57476216 is an abundant number, since it is smaller than the sum of its proper divisors (74501584).

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

57476216 is a wasteful number, since it uses less digits than its factorization.

57476216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756 (or 7745 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 57476216 is about 7581.3070113273. The cubic root of 57476216 is about 385.9189069627.

The spelling of 57476216 in words is "fifty-seven million, four hundred seventy-six thousand, two hundred sixteen".