57923028 has 36 divisors (see below), whose sum is σ = 147329728. Its totient is φ = 19187280.

The previous prime is 57923027. The next prime is 57923051. The reversal of 57923028 is 82032975.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 57922983 and 57923001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57923027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933 + ... + 10803.

Almost surely, 2^57923028 is an apocalyptic number.

It is an amenable number.

57923028 is an abundant number, since it is smaller than the sum of its proper divisors (89406700).

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

57923028 is a wasteful number, since it uses less digits than its factorization.

57923028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10044 (or 10039 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 57923028 is about 7610.7179687596. The cubic root of 57923028 is about 386.9163531334.

The spelling of 57923028 in words is "fifty-seven million, nine hundred twenty-three thousand, twenty-eight".