57144822 has 16 divisors (see below), whose sum is σ = 130616832. Its totient is φ = 16327080.

The previous prime is 57144817. The next prime is 57144827. The reversal of 57144822 is 22844175.

It is an interprime number because it is at equal distance from previous prime (57144817) and next prime (57144827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57144827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680254 + ... + 680337.

It is an arithmetic number, because the mean of its divisors is an integer number (8163552).

Almost surely, 2^57144822 is an apocalyptic number.

57144822 is an abundant number, since it is smaller than the sum of its proper divisors (73472010).

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

57144822 is a wasteful number, since it uses less digits than its factorization.

57144822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360603.

The product of its digits is 17920, while the sum is 33.

The square root of 57144822 is about 7559.4194221514. The cubic root of 57144822 is about 385.1757717659.

Adding to 57144822 its reverse (22844175), we get a palindrome (79988997).

The spelling of 57144822 in words is "fifty-seven million, one hundred forty-four thousand, eight hundred twenty-two".