57022011 has 24 divisors (see below), whose sum is σ = 84526416. Its totient is φ = 37028160.

The previous prime is 57021997. The next prime is 57022019. The reversal of 57022011 is 11022075.

It is not a de Polignac number, because 57022011 - 2²⁵ = 23467579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57022019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82176 + ... + 82866.

It is an arithmetic number, because the mean of its divisors is an integer number (3521934).

Almost surely, 2^57022011 is an apocalyptic number.

57022011 is a deficient number, since it is larger than the sum of its proper divisors (27504405).

57022011 is a wasteful number, since it uses less digits than its factorization.

57022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 57022011 is about 7551.2920086565. The cubic root of 57022011 is about 384.8996443891.

Adding to 57022011 its reverse (11022075), we get a palindrome (68044086).

The spelling of 57022011 in words is "fifty-seven million, twenty-two thousand, eleven".