57529990 has 16 divisors (see below), whose sum is σ = 118347552. Its totient is φ = 19724544.

The previous prime is 57529987. The next prime is 57529991. The reversal of 57529990 is 9992575.

It is a self number, because there is not a number n which added to its sum of digits gives 57529990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57529991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410859 + ... + 410998.

It is an arithmetic number, because the mean of its divisors is an integer number (7396722).

Almost surely, 2^57529990 is an apocalyptic number.

57529990 is an abundant number, since it is smaller than the sum of its proper divisors (60817562).

57529990 is a wasteful number, since it uses less digits than its factorization.

57529990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821871.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 57529990 is about 7584.8526683120. The cubic root of 57529990 is about 386.0392230181.

The spelling of 57529990 in words is "fifty-seven million, five hundred twenty-nine thousand, nine hundred ninety".