57788628 has 24 divisors (see below), whose sum is σ = 135256800. Its totient is φ = 19203360.

The previous prime is 57788617. The next prime is 57788629. The reversal of 57788628 is 82688775.

57788628 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 2×57788628² = 6679051052244768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57788629) 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, 3303 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (5635700).

Almost surely, 2^57788628 is an apocalyptic number.

It is an amenable number.

57788628 is an abundant number, since it is smaller than the sum of its proper divisors (77468172).

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

57788628 is a wasteful number, since it uses less digits than its factorization.

57788628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887 (or 14885 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 51.

The square root of 57788628 is about 7601.8831877371. The cubic root of 57788628 is about 386.6168647049.

The spelling of 57788628 in words is "fifty-seven million, seven hundred eighty-eight thousand, six hundred twenty-eight".