57091422 has 8 divisors (see below), whose sum is σ = 114182856. Its totient is φ = 19030472.

The previous prime is 57091421. The next prime is 57091427. The reversal of 57091422 is 22419075.

It is a sphenic number, since it is the product of 3 distinct primes.

57091422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 57091422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57091421) 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, 4757613 + ... + 4757624.

It is an arithmetic number, because the mean of its divisors is an integer number (14272857).

Almost surely, 2^57091422 is an apocalyptic number.

57091422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57091422 is a wasteful number, since it uses less digits than its factorization.

57091422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515242.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 57091422 is about 7555.8865793499. The cubic root of 57091422 is about 385.0557562472.

The spelling of 57091422 in words is "fifty-seven million, ninety-one thousand, four hundred twenty-two".