52918015 has 4 divisors (see below), whose sum is σ = 63501624. Its totient is φ = 42334408.

The previous prime is 52917989. The next prime is 52918043. The reversal of 52918015 is 51081925.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52918015 - 2²¹ = 50820863 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291797 + ... + 5291806.

It is an arithmetic number, because the mean of its divisors is an integer number (15875406).

Almost surely, 2^52918015 is an apocalyptic number.

52918015 is a deficient number, since it is larger than the sum of its proper divisors (10583609).

52918015 is a wasteful number, since it uses less digits than its factorization.

52918015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583608.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 52918015 is about 7274.4769571427. The cubic root of 52918015 is about 375.4347905059.

The spelling of 52918015 in words is "fifty-two million, nine hundred eighteen thousand, fifteen".