57124855549 has 4 divisors (see below), whose sum is σ = 57158599036. Its totient is φ = 57091112064.

The previous prime is 57124855537. The next prime is 57124855561. The reversal of 57124855549 is 94555842175.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57124855537) and next prime (57124855561).

It can be written as a sum of positive squares in 2 ways, for example, as 40421102500 + 16703753049 = 201050^2 + 129243^2 .

It is a cyclic number.

It is not a de Polignac number, because 57124855549 - 2²⁵ = 57091301117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57124855549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57124855849) 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, 16869204 + ... + 16872589.

It is an arithmetic number, because the mean of its divisors is an integer number (14289649759).

Almost surely, 2^57124855549 is an apocalyptic number.

It is an amenable number.

57124855549 is a deficient number, since it is larger than the sum of its proper divisors (33743487).

57124855549 is a wasteful number, since it uses less digits than its factorization.

57124855549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33743486.

The product of its digits is 10080000, while the sum is 55.

It can be divided in two parts, 57124 and 855549, that added together give a cube (912673 = 97³).

The spelling of 57124855549 in words is "fifty-seven billion, one hundred twenty-four million, eight hundred fifty-five thousand, five hundred forty-nine".