57861085590 has 800 divisors, whose sum is σ = 212143821120. Its totient is φ = 11039846400.

The previous prime is 57861085553. The next prime is 57861085591. The reversal of 57861085590 is 9558016875.

57861085590 is a `hidden beast` number, since 5 + 7 + 86 + 1 + 0 + 8 + 559 + 0 = 666.

57861085590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57861085591) by changing a digit.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 1411245970 + ... + 1411246010.

Almost surely, 2^57861085590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57861085590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106071910560).

57861085590 is an abundant number, since it is smaller than the sum of its proper divisors (154282735530).

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

57861085590 is a wasteful number, since it uses less digits than its factorization.

57861085590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 57861085590 in words is "fifty-seven billion, eight hundred sixty-one million, eighty-five thousand, five hundred ninety".