57248208 has 100 divisors (see below), whose sum is σ = 167324608. Its totient is φ = 18895680.

The previous prime is 57248207. The next prime is 57248237. The reversal of 57248208 is 80284275.

It is a happy number.

57248208 is a `hidden beast` number, since 572 + 4 + 82 + 0 + 8 = 666.

It is a super-2 number, since 2×57248208² = 6554714638422528, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57248201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 211113 + ... + 211383.

Almost surely, 2^57248208 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 57248208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83662304).

57248208 is an abundant number, since it is smaller than the sum of its proper divisors (110076400).

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

57248208 is a wasteful number, since it uses less digits than its factorization.

57248208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 57248208 is about 7566.2545555909. The cubic root of 57248208 is about 385.4079175665.

The spelling of 57248208 in words is "fifty-seven million, two hundred forty-eight thousand, two hundred eight".