57028424 has 32 divisors (see below), whose sum is σ = 114696000. Its totient is φ = 26500032.

The previous prime is 57028423. The next prime is 57028429. The reversal of 57028424 is 42482075.

57028424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57028424² = 6504482287847552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57028423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (3584250).

Almost surely, 2^57028424 is an apocalyptic number.

It is an amenable number.

57028424 is an abundant number, since it is smaller than the sum of its proper divisors (57667576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57028424 is a wasteful number, since it uses less digits than its factorization.

57028424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157 (or 7153 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 57028424 is about 7551.7166260394. The cubic root of 57028424 is about 384.9140731383.

The spelling of 57028424 in words is "fifty-seven million, twenty-eight thousand, four hundred twenty-four".