57689911 has 16 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 53310400.

The previous prime is 57689899. The next prime is 57689921. The reversal of 57689911 is 11998675.

It is a happy number.

57689911 is a nontrivial binomial coefficient, being equal to C(10742, 2).

It is a cyclic number.

It is not a de Polignac number, because 57689911 - 2¹³ = 57681719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57689921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123300 + ... + 123766.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 2^57689911 is an apocalyptic number.

57689911 is the 10741-st triangular number and also the 5371-st hexagonal number.

57689911 is the 3581-st centered nonagonal number.

57689911 is a deficient number, since it is larger than the sum of its proper divisors (4580297).

57689911 is a wasteful number, since it uses less digits than its factorization.

57689911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its digits is 136080, while the sum is 46.

The square root of 57689911 is about 7595.3874818866. The cubic root of 57689911 is about 386.3965940907.

The spelling of 57689911 in words is "fifty-seven million, six hundred eighty-nine thousand, nine hundred eleven".