57804020 has 24 divisors (see below), whose sum is σ = 122467464. Its totient is φ = 22916096.

The previous prime is 57804007. The next prime is 57804059. The reversal of 57804020 is 2040875.

It can be written as a sum of positive squares in 4 ways, for example, as 4892944 + 52911076 = 2212^2 + 7274^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10529 + ... + 15048.

It is an arithmetic number, because the mean of its divisors is an integer number (5102811).

Almost surely, 2^57804020 is an apocalyptic number.

It is an amenable number.

57804020 is an abundant number, since it is smaller than the sum of its proper divisors (64663444).

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

57804020 is a wasteful number, since it uses less digits than its factorization.

57804020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25699 (or 25697 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 57804020 is about 7602.8955010575. The cubic root of 57804020 is about 386.6511867895.

Adding to 57804020 its reverse (2040875), we get a palindrome (59844895).

The spelling of 57804020 in words is "fifty-seven million, eight hundred four thousand, twenty".