57122811548 has 48 divisors (see below), whose sum is σ = 109917005184. Its totient is φ = 25759631040.

The previous prime is 57122811547. The next prime is 57122811553. The reversal of 57122811548 is 84511822175.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 57122811499 and 57122811508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57122811547) 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 15 ways as a sum of consecutive naturals, for example, 4712111 + ... + 4724217.

It is an arithmetic number, because the mean of its divisors is an integer number (2289937608).

Almost surely, 2^57122811548 is an apocalyptic number.

It is an amenable number.

57122811548 is a deficient number, since it is larger than the sum of its proper divisors (52794193636).

57122811548 is a wasteful number, since it uses less digits than its factorization.

57122811548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962 (or 12960 counting only the distinct ones).

The product of its digits is 179200, while the sum is 44.

The spelling of 57122811548 in words is "fifty-seven billion, one hundred twenty-two million, eight hundred eleven thousand, five hundred forty-eight".