57128302 has 32 divisors (see below), whose sum is σ = 107216640. Its totient is φ = 22178880.

The previous prime is 57128249. The next prime is 57128311. The reversal of 57128302 is 20382175.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62533 + ... + 63439.

It is an arithmetic number, because the mean of its divisors is an integer number (3350520).

Almost surely, 2^57128302 is an apocalyptic number.

57128302 is a deficient number, since it is larger than the sum of its proper divisors (50088338).

57128302 is a wasteful number, since it uses less digits than its factorization.

57128302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 57128302 is about 7558.3266666637. The cubic root of 57128302 is about 385.1386513597.

The spelling of 57128302 in words is "fifty-seven million, one hundred twenty-eight thousand, three hundred two".