52149615 has 32 divisors (see below), whose sum is σ = 97168896. Its totient is φ = 23387520.

The previous prime is 52149593. The next prime is 52149631. The reversal of 52149615 is 51694125.

It is not a de Polignac number, because 52149615 - 2⁶ = 52149551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 880 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (3036528).

Almost surely, 2^52149615 is an apocalyptic number.

52149615 is a deficient number, since it is larger than the sum of its proper divisors (45019281).

52149615 is a wasteful number, since it uses less digits than its factorization.

52149615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439.

The product of its digits is 10800, while the sum is 33.

The square root of 52149615 is about 7221.4690333754. The cubic root of 52149615 is about 373.6087470459.

The spelling of 52149615 in words is "fifty-two million, one hundred forty-nine thousand, six hundred fifteen".