57148522326 has 192 divisors, whose sum is σ = 154674178560. Its totient is φ = 15565556160.

The previous prime is 57148522313. The next prime is 57148522393. The reversal of 57148522326 is 62322584175.

57148522326 is a `hidden beast` number, since 57 + 1 + 48 + 522 + 32 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20142580 + ... + 20145416.

It is an arithmetic number, because the mean of its divisors is an integer number (805594680).

Almost surely, 2^57148522326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57148522326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77337089280).

57148522326 is an abundant number, since it is smaller than the sum of its proper divisors (97525656234).

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

57148522326 is a wasteful number, since it uses less digits than its factorization.

57148522326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3203 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 57148522326 in words is "fifty-seven billion, one hundred forty-eight million, five hundred twenty-two thousand, three hundred twenty-six".