52101515 has 16 divisors (see below), whose sum is σ = 69685920. Its totient is φ = 37163520.

The previous prime is 52101499. The next prime is 52101523. The reversal of 52101515 is 51510125.

It is a happy number.

It is not a de Polignac number, because 52101515 - 2⁴ = 52101499 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14516 + ... + 17745.

It is an arithmetic number, because the mean of its divisors is an integer number (4355370).

Almost surely, 2^52101515 is an apocalyptic number.

52101515 is a deficient number, since it is larger than the sum of its proper divisors (17584405).

52101515 is a wasteful number, since it uses less digits than its factorization.

52101515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32302.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 52101515 is about 7218.1379177735. The cubic root of 52101515 is about 373.4938461747.

The spelling of 52101515 in words is "fifty-two million, one hundred one thousand, five hundred fifteen".