57768805542 has 64 divisors (see below), whose sum is σ = 135246988800. Its totient is φ = 16105630464.

The previous prime is 57768805529. The next prime is 57768805543. The reversal of 57768805542 is 24550886775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57768805543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1879248 + ... + 1909740.

It is an arithmetic number, because the mean of its divisors is an integer number (2113234200).

Almost surely, 2^57768805542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57768805542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67623494400).

57768805542 is an abundant number, since it is smaller than the sum of its proper divisors (77478183258).

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

57768805542 is a wasteful number, since it uses less digits than its factorization.

57768805542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31597.

The product of its (nonzero) digits is 18816000, while the sum is 57.

The spelling of 57768805542 in words is "fifty-seven billion, seven hundred sixty-eight million, eight hundred five thousand, five hundred forty-two".