53291115 has 48 divisors (see below), whose sum is σ = 100009728. Its totient is φ = 27171936.

The previous prime is 53291111. The next prime is 53291123. The reversal of 53291115 is 51119235.

53291115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53291115 - 2² = 53291111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53291111) 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 47 ways as a sum of consecutive naturals, for example, 26992 + ... + 28898.

It is an arithmetic number, because the mean of its divisors is an integer number (2083536).

Almost surely, 2^53291115 is an apocalyptic number.

53291115 is a deficient number, since it is larger than the sum of its proper divisors (46718613).

53291115 is a wasteful number, since it uses less digits than its factorization.

53291115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1938 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 53291115 is about 7300.0763694635. The cubic root of 53291115 is about 376.3150629013.

The spelling of 53291115 in words is "fifty-three million, two hundred ninety-one thousand, one hundred fifteen".