52086815 has 8 divisors (see below), whose sum is σ = 68186448. Its totient is φ = 37881280.

The previous prime is 52086773. The next prime is 52086817. The reversal of 52086815 is 51868025.

It is a happy number.

52086815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52086815 - 2⁶ = 52086751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52086817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473462 + ... + 473571.

It is an arithmetic number, because the mean of its divisors is an integer number (8523306).

Almost surely, 2^52086815 is an apocalyptic number.

52086815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52086815 is a deficient number, since it is larger than the sum of its proper divisors (16099633).

52086815 is a wasteful number, since it uses less digits than its factorization.

52086815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947049.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 52086815 is about 7217.1195777817. The cubic root of 52086815 is about 373.4587168317.

The spelling of 52086815 in words is "fifty-two million, eighty-six thousand, eight hundred fifteen".