53906513 has 8 divisors (see below), whose sum is σ = 55507200. Its totient is φ = 52319520.

The previous prime is 53906483. The next prime is 53906527. The reversal of 53906513 is 31560935.

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 53906513 - 2⁶ = 53906449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53906513.

It is not an unprimeable number, because it can be changed into a prime (53900513) 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, 4856 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (6938400).

Almost surely, 2^53906513 is an apocalyptic number.

It is an amenable number.

53906513 is a deficient number, since it is larger than the sum of its proper divisors (1600687).

53906513 is a wasteful number, since it uses less digits than its factorization.

53906513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 53906513 is about 7342.1054882098. The cubic root of 53906513 is about 377.7580663078.

The spelling of 53906513 in words is "fifty-three million, nine hundred six thousand, five hundred thirteen".