57235647144 has 64 divisors (see below), whose sum is σ = 154295971200. Its totient is φ = 17588111616.

The previous prime is 57235647127. The next prime is 57235647167. The reversal of 57235647144 is 44174653275.

It is a junction number, because it is equal to n+sod(n) for n = 57235647093 and 57235647102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122517 + ... + 359835.

It is an arithmetic number, because the mean of its divisors is an integer number (2410874550).

Almost surely, 2^57235647144 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 57235647144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77147985600).

57235647144 is an abundant number, since it is smaller than the sum of its proper divisors (97060324056).

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

57235647144 is a wasteful number, since it uses less digits than its factorization.

57235647144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238114 (or 238110 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 48.

The spelling of 57235647144 in words is "fifty-seven billion, two hundred thirty-five million, six hundred forty-seven thousand, one hundred forty-four".