57082515534 has 80 divisors (see below), whose sum is σ = 140306742576. Its totient is φ = 17202067200.

The previous prime is 57082515467. The next prime is 57082515547. The reversal of 57082515534 is 43551528075.

57082515534 is a `hidden beast` number, since 5 + 7 + 0 + 82 + 515 + 53 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57082515534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 234054 + ... + 411030.

Almost surely, 2^57082515534 is an apocalyptic number.

57082515534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57082515534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70153371288).

57082515534 is an abundant number, since it is smaller than the sum of its proper divisors (83224227042).

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

57082515534 is a wasteful number, since it uses less digits than its factorization.

57082515534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177183 (or 177174 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 57082515534 in words is "fifty-seven billion, eighty-two million, five hundred fifteen thousand, five hundred thirty-four".