57791406 has 16 divisors (see below), whose sum is σ = 116976384. Its totient is φ = 19031544.

The previous prime is 57791401. The next prime is 57791417. The reversal of 57791406 is 60419775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57791401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57526 + ... + 58521.

It is an arithmetic number, because the mean of its divisors is an integer number (7311024).

Almost surely, 2^57791406 is an apocalyptic number.

57791406 is an abundant number, since it is smaller than the sum of its proper divisors (59184978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57791406 is a wasteful number, since it uses less digits than its factorization.

57791406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116135.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 57791406 is about 7602.0659034239. The cubic root of 57791406 is about 386.6230597210.

The spelling of 57791406 in words is "fifty-seven million, seven hundred ninety-one thousand, four hundred six".