57228450 has 24 divisors (see below), whose sum is σ = 141926928. Its totient is φ = 15260880.

The previous prime is 57228433. The next prime is 57228461. The reversal of 57228450 is 5482275.

57228450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190612 + ... + 190911.

It is an arithmetic number, because the mean of its divisors is an integer number (5913622).

Almost surely, 2^57228450 is an apocalyptic number.

57228450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57228450 is an abundant number, since it is smaller than the sum of its proper divisors (84698478).

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

57228450 is a wasteful number, since it uses less digits than its factorization.

57228450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381538 (or 381533 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 57228450 is about 7564.9487770903. The cubic root of 57228450 is about 385.3635740193.

The spelling of 57228450 in words is "fifty-seven million, two hundred twenty-eight thousand, four hundred fifty".