57059906490 has 96 divisors (see below), whose sum is σ = 154162008000. Its totient is φ = 15185159424.

The previous prime is 57059906447. The next prime is 57059906503. The reversal of 57059906490 is 9460995075.

57059906490 is a `hidden beast` number, since 5 + 7 + 0 + 599 + 0 + 6 + 49 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1189042 + ... + 1236098.

It is an arithmetic number, because the mean of its divisors is an integer number (1605854250).

Almost surely, 2^57059906490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57059906490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77081004000).

57059906490 is an abundant number, since it is smaller than the sum of its proper divisors (97102101510).

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

57059906490 is a wasteful number, since it uses less digits than its factorization.

57059906490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47578 (or 47566 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 57059906490 in words is "fifty-seven billion, fifty-nine million, nine hundred six thousand, four hundred ninety".