52863927515 has 32 divisors (see below), whose sum is σ = 76816460160. Its totient is φ = 34093799424.

The previous prime is 52863927511. The next prime is 52863927517. The reversal of 52863927515 is 51572936825.

It is a cyclic number.

It is not a de Polignac number, because 52863927515 - 2² = 52863927511 is a prime.

It is a super-2 number, since 2×52863927515² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52863927511) 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, 858581 + ... + 918089.

It is an arithmetic number, because the mean of its divisors is an integer number (2400514380).

Almost surely, 2^52863927515 is an apocalyptic number.

52863927515 is a deficient number, since it is larger than the sum of its proper divisors (23952532645).

52863927515 is a wasteful number, since it uses less digits than its factorization.

52863927515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61031.

The product of its digits is 4536000, while the sum is 53.

The spelling of 52863927515 in words is "fifty-two billion, eight hundred sixty-three million, nine hundred twenty-seven thousand, five hundred fifteen".