57027905 has 12 divisors (see below), whose sum is σ = 75221076. Its totient is φ = 41474400.

The previous prime is 57027899. The next prime is 57027931. The reversal of 57027905 is 50972075.

It can be written as a sum of positive squares in 2 ways, for example, as 41692849 + 15335056 = 6457^2 + 3916^2 .

It is not a de Polignac number, because 57027905 - 2¹⁶ = 56962369 is a prime.

It is a Duffinian 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, 46526 + ... + 47735.

It is an arithmetic number, because the mean of its divisors is an integer number (6268423).

Almost surely, 2^57027905 is an apocalyptic number.

57027905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57027905 is a deficient number, since it is larger than the sum of its proper divisors (18193171).

57027905 is a wasteful number, since it uses less digits than its factorization.

57027905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94288 (or 94277 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 57027905 is about 7551.6822629133. The cubic root of 57027905 is about 384.9129054691.

The spelling of 57027905 in words is "fifty-seven million, twenty-seven thousand, nine hundred five".