57205772 has 24 divisors (see below), whose sum is σ = 108046176. Its totient is φ = 26345088.

The previous prime is 57205747. The next prime is 57205787. The reversal of 57205772 is 27750275.

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, 31193 + ... + 32975.

It is an arithmetic number, because the mean of its divisors is an integer number (4501924).

Almost surely, 2^57205772 is an apocalyptic number.

57205772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57205772 is a deficient number, since it is larger than the sum of its proper divisors (50840404).

57205772 is a wasteful number, since it uses less digits than its factorization.

57205772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 57205772 is about 7563.4497420159. The cubic root of 57205772 is about 385.3126644352.

The spelling of 57205772 in words is "fifty-seven million, two hundred five thousand, seven hundred seventy-two".