57428356 has 12 divisors (see below), whose sum is σ = 100553040. Its totient is φ = 28698920.

The previous prime is 57428353. The next prime is 57428369. The reversal of 57428356 is 65382475.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (57428353) 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 in 3 ways as a sum of consecutive naturals, for example, 11355 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (8379420).

Almost surely, 2^57428356 is an apocalyptic number.

It is an amenable number.

57428356 is a deficient number, since it is larger than the sum of its proper divisors (43124684).

57428356 is a wasteful number, since it uses less digits than its factorization.

57428356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634 (or 7632 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 57428356 is about 7578.1499061446. The cubic root of 57428356 is about 385.8117599885.

The spelling of 57428356 in words is "fifty-seven million, four hundred twenty-eight thousand, three hundred fifty-six".