53118407 has 4 divisors (see below), whose sum is σ = 54831936. Its totient is φ = 51404880.

The previous prime is 53118397. The next prime is 53118451. The reversal of 53118407 is 70481135.

53118407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53118407 - 2⁴ = 53118391 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 53118407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53118497) 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 3 ways as a sum of consecutive naturals, for example, 856718 + ... + 856779.

It is an arithmetic number, because the mean of its divisors is an integer number (13707984).

Almost surely, 2^53118407 is an apocalyptic number.

53118407 is a deficient number, since it is larger than the sum of its proper divisors (1713529).

53118407 is a wasteful number, since it uses less digits than its factorization.

53118407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713528.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 53118407 is about 7288.2375784548. The cubic root of 53118407 is about 375.9080972573.

The spelling of 53118407 in words is "fifty-three million, one hundred eighteen thousand, four hundred seven".