57123619872 has 288 divisors, whose sum is σ = 168244957440. Its totient is φ = 16954713600.

The previous prime is 57123619867. The next prime is 57123619879. The reversal of 57123619872 is 27891632175.

It is not an unprimeable number, because it can be changed into a prime (57123619879) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172578747 + ... + 172579077.

It is an arithmetic number, because the mean of its divisors is an integer number (584183880).

Almost surely, 2^57123619872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57123619872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84122478720).

57123619872 is an abundant number, since it is smaller than the sum of its proper divisors (111121337568).

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

57123619872 is a wasteful number, since it uses less digits than its factorization.

57123619872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 609 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 57123619872 in words is "fifty-seven billion, one hundred twenty-three million, six hundred nineteen thousand, eight hundred seventy-two".