57027420 has 36 divisors (see below), whose sum is σ = 172983720. Its totient is φ = 15207264.

The previous prime is 57027409. The next prime is 57027457. The reversal of 57027420 is 2472075.

57027420 is a `hidden beast` number, since 570 + 2 + 74 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158230 + ... + 158589.

Almost surely, 2^57027420 is an apocalyptic number.

It is an amenable number.

57027420 is an abundant number, since it is smaller than the sum of its proper divisors (115956300).

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

57027420 is a wasteful number, since it uses less digits than its factorization.

57027420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316834 (or 316829 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 57027420 is about 7551.6501507949. The cubic root of 57027420 is about 384.9118142881.

Adding to 57027420 its reverse (2472075), we get a palindrome (59499495).

The spelling of 57027420 in words is "fifty-seven million, twenty-seven thousand, four hundred twenty".