53611427 has 4 divisors (see below), whose sum is σ = 53639760. Its totient is φ = 53583096.

The previous prime is 53611391. The next prime is 53611429. The reversal of 53611427 is 72411635.

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 53611427 - 2⁸ = 53611171 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 53611427.

It is not an unprimeable number, because it can be changed into a prime (53611429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11108 + ... + 15185.

It is an arithmetic number, because the mean of its divisors is an integer number (13409940).

Almost surely, 2^53611427 is an apocalyptic number.

53611427 is a deficient number, since it is larger than the sum of its proper divisors (28333).

53611427 is a wasteful number, since it uses less digits than its factorization.

53611427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332.

The product of its digits is 5040, while the sum is 29.

The square root of 53611427 is about 7321.9824501292. The cubic root of 53611427 is about 377.0675181087.

The spelling of 53611427 in words is "fifty-three million, six hundred eleven thousand, four hundred twenty-seven".