53388147 has 4 divisors (see below), whose sum is σ = 71184200. Its totient is φ = 35592096.

The previous prime is 53388113. The next prime is 53388197. The reversal of 53388147 is 74188335.

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

It is not a de Polignac number, because 53388147 - 2⁷ = 53388019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53388197) 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, 8898022 + ... + 8898027.

It is an arithmetic number, because the mean of its divisors is an integer number (17796050).

Almost surely, 2^53388147 is an apocalyptic number.

53388147 is a deficient number, since it is larger than the sum of its proper divisors (17796053).

53388147 is a wasteful number, since it uses less digits than its factorization.

53388147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17796052.

The product of its digits is 80640, while the sum is 39.

The square root of 53388147 is about 7306.7193048591. The cubic root of 53388147 is about 376.5433214878.

It can be divided in two parts, 53388 and 147, that added together give a palindrome (53535).

The spelling of 53388147 in words is "fifty-three million, three hundred eighty-eight thousand, one hundred forty-seven".