53109465 has 32 divisors (see below), whose sum is σ = 89886720. Its totient is φ = 26702784.

The previous prime is 53109439. The next prime is 53109481. The reversal of 53109465 is 56490135.

It is a happy number.

53109465 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 53109465 - 2⁶ = 53109401 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 87192 + ... + 87798.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^53109465 is an apocalyptic number.

It is an amenable number.

53109465 is a deficient number, since it is larger than the sum of its proper divisors (36777255).

53109465 is a wasteful number, since it uses less digits than its factorization.

53109465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 53109465 is about 7287.6240984288. The cubic root of 53109465 is about 375.8870025055.

The spelling of 53109465 in words is "fifty-three million, one hundred nine thousand, four hundred sixty-five".