53365915 has 8 divisors (see below), whose sum is σ = 65401920. Its totient is φ = 41784192.

The previous prime is 53365901. The next prime is 53365919. The reversal of 53365915 is 51956335.

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

It is a cyclic number.

It is not a de Polignac number, because 53365915 - 2⁵ = 53365883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53365919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113310 + ... + 113779.

It is an arithmetic number, because the mean of its divisors is an integer number (8175240).

Almost surely, 2^53365915 is an apocalyptic number.

53365915 is a deficient number, since it is larger than the sum of its proper divisors (12036005).

53365915 is a wasteful number, since it uses less digits than its factorization.

53365915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227141.

The product of its digits is 60750, while the sum is 37.

The square root of 53365915 is about 7305.1978070412. The cubic root of 53365915 is about 376.4910472543.

The spelling of 53365915 in words is "fifty-three million, three hundred sixty-five thousand, nine hundred fifteen".