57363811 has 4 divisors (see below), whose sum is σ = 58171824. Its totient is φ = 56555800.

The previous prime is 57363799. The next prime is 57363821. The reversal of 57363811 is 11836375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57363811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57363821) 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, 403900 + ... + 404041.

It is an arithmetic number, because the mean of its divisors is an integer number (14542956).

Almost surely, 2^57363811 is an apocalyptic number.

57363811 is a deficient number, since it is larger than the sum of its proper divisors (808013).

57363811 is an equidigital number, since it uses as much as digits as its factorization.

57363811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808012.

The product of its digits is 15120, while the sum is 34.

The square root of 57363811 is about 7573.8900837020. The cubic root of 57363811 is about 385.6671650126.

The spelling of 57363811 in words is "fifty-seven million, three hundred sixty-three thousand, eight hundred eleven".