57149111 has 16 divisors (see below), whose sum is σ = 60825600. Its totient is φ = 53611488.

The previous prime is 57149101. The next prime is 57149117. The reversal of 57149111 is 11194175.

57149111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57149111 - 2⁶ = 57149047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57149117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217166 + ... + 217428.

It is an arithmetic number, because the mean of its divisors is an integer number (3801600).

Almost surely, 2^57149111 is an apocalyptic number.

57149111 is a deficient number, since it is larger than the sum of its proper divisors (3676489).

57149111 is a wasteful number, since it uses less digits than its factorization.

57149111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its digits is 1260, while the sum is 29.

The square root of 57149111 is about 7559.7031026357. The cubic root of 57149111 is about 385.1854079703.

The spelling of 57149111 in words is "fifty-seven million, one hundred forty-nine thousand, one hundred eleven".