57428116 has 6 divisors (see below), whose sum is σ = 100499210. Its totient is φ = 28714056.

The previous prime is 57428113. The next prime is 57428123. The reversal of 57428116 is 61182475.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 7584516 = 7060^2 + 2754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57428113) by changing a digit.

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 as a sum of consecutive naturals, namely, 7178511 + ... + 7178518.

Almost surely, 2^57428116 is an apocalyptic number.

It is an amenable number.

57428116 is a deficient number, since it is larger than the sum of its proper divisors (43071094).

57428116 is a wasteful number, since it uses less digits than its factorization.

57428116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357033 (or 14357031 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 57428116 is about 7578.1340711286. The cubic root of 57428116 is about 385.8112225365.

The spelling of 57428116 in words is "fifty-seven million, four hundred twenty-eight thousand, one hundred sixteen".