57223808 has 32 divisors (see below), whose sum is σ = 115464000. Its totient is φ = 28244736.

The previous prime is 57223781. The next prime is 57223847. The reversal of 57223808 is 80832275.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7283 + ... + 12941.

It is an arithmetic number, because the mean of its divisors is an integer number (3608250).

Almost surely, 2^57223808 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 57223808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57732000).

57223808 is an abundant number, since it is smaller than the sum of its proper divisors (58240192).

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

57223808 is an equidigital number, since it uses as much as digits as its factorization.

57223808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 57223808 is about 7564.6419611241. The cubic root of 57223808 is about 385.3531543412.

The spelling of 57223808 in words is "fifty-seven million, two hundred twenty-three thousand, eight hundred eight".