52081422828515 has 64 divisors (see below), whose sum is σ = 64614858561792. Its totient is φ = 40281654067200.

The previous prime is 52081422828443. The next prime is 52081422828569. The reversal of 52081422828515 is 51582822418025.

It is a happy number.

It is a Cunningham number, because it is equal to 7216746²-1.

It is not a de Polignac number, because 52081422828515 - 2¹² = 52081422824419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4553760377 + ... + 4553771813.

It is an arithmetic number, because the mean of its divisors is an integer number (1009607165028).

Almost surely, 2^{52081422828515} is an apocalyptic number.

52081422828515 is a deficient number, since it is larger than the sum of its proper divisors (12533435733277).

52081422828515 is a wasteful number, since it uses less digits than its factorization.

52081422828515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12480.

The product of its (nonzero) digits is 4096000, while the sum is 53.

The spelling of 52081422828515 in words is "fifty-two trillion, eighty-one billion, four hundred twenty-two million, eight hundred twenty-eight thousand, five hundred fifteen".