57011804 has 12 divisors (see below), whose sum is σ = 100348584. Its totient is φ = 28340784.

The previous prime is 57011797. The next prime is 57011807. The reversal of 57011804 is 40811075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57011807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40502 + ... + 41885.

It is an arithmetic number, because the mean of its divisors is an integer number (8362382).

Almost surely, 2^57011804 is an apocalyptic number.

It is an amenable number.

57011804 is a deficient number, since it is larger than the sum of its proper divisors (43336780).

57011804 is a wasteful number, since it uses less digits than its factorization.

57011804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82564 (or 82562 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 57011804 is about 7550.6161337999. The cubic root of 57011804 is about 384.8766772048.

Adding to 57011804 its reverse (40811075), we get a palindrome (97822879).

The spelling of 57011804 in words is "fifty-seven million, eleven thousand, eight hundred four".