57044287542 has 192 divisors, whose sum is σ = 137631882240. Its totient is φ = 15609753600.

The previous prime is 57044287541. The next prime is 57044287549. The reversal of 57044287542 is 24578244075.

It is a junction number, because it is equal to n+sod(n) for n = 57044287491 and 57044287500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57044287541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155433843 + ... + 155434209.

It is an arithmetic number, because the mean of its divisors is an integer number (716832720).

Almost surely, 2^57044287542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57044287542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68815941120).

57044287542 is an abundant number, since it is smaller than the sum of its proper divisors (80587594698).

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

57044287542 is a wasteful number, since it uses less digits than its factorization.

57044287542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 57044287542 in words is "fifty-seven billion, forty-four million, two hundred eighty-seven thousand, five hundred forty-two".