53123911 has 8 divisors (see below), whose sum is σ = 55158480. Its totient is φ = 51102912.

The previous prime is 53123887. The next prime is 53123921. The reversal of 53123911 is 11932135.

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 53123911 - 2²⁵ = 19569479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53123921) 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, 4971 + ... + 11443.

It is an arithmetic number, because the mean of its divisors is an integer number (6894810).

Almost surely, 2^53123911 is an apocalyptic number.

53123911 is a deficient number, since it is larger than the sum of its proper divisors (2034569).

53123911 is a wasteful number, since it uses less digits than its factorization.

53123911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785.

The product of its digits is 810, while the sum is 25.

The square root of 53123911 is about 7288.6151633901. The cubic root of 53123911 is about 375.9210803695.

It can be divided in two parts, 531 and 23911, that added together give a palindrome (24442).

The spelling of 53123911 in words is "fifty-three million, one hundred twenty-three thousand, nine hundred eleven".