57225858 has 16 divisors (see below), whose sum is σ = 116064576. Its totient is φ = 18806480.

The previous prime is 57225841. The next prime is 57225871. The reversal of 57225858 is 85852275.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66741 + ... + 67592.

It is an arithmetic number, because the mean of its divisors is an integer number (7254036).

Almost surely, 2^57225858 is an apocalyptic number.

57225858 is an abundant number, since it is smaller than the sum of its proper divisors (58838718).

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

57225858 is a wasteful number, since it uses less digits than its factorization.

57225858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134409.

The product of its digits is 224000, while the sum is 42.

The square root of 57225858 is about 7564.7774587228. Note that the first 3 decimals coincide. The cubic root of 57225858 is about 385.3577559488.

The spelling of 57225858 in words is "fifty-seven million, two hundred twenty-five thousand, eight hundred fifty-eight".