53986015 has 8 divisors (see below), whose sum is σ = 65425248. Its totient is φ = 42760800.

The previous prime is 53985989. The next prime is 53986021. The reversal of 53986015 is 51068935.

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

It is not a de Polignac number, because 53986015 - 2⁵ = 53985983 is a prime.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52947 + ... + 53956.

It is an arithmetic number, because the mean of its divisors is an integer number (8178156).

Almost surely, 2^53986015 is an apocalyptic number.

53986015 is a deficient number, since it is larger than the sum of its proper divisors (11439233).

53986015 is a wasteful number, since it uses less digits than its factorization.

53986015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107009.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 53986015 is about 7347.5176080088. The cubic root of 53986015 is about 377.9436825292.

The spelling of 53986015 in words is "fifty-three million, nine hundred eighty-six thousand, fifteen".