53539479 has 12 divisors (see below), whose sum is σ = 88382736. Its totient is φ = 30593952.

The previous prime is 53539459. The next prime is 53539489. The reversal of 53539479 is 97493535.

It is not a de Polignac number, because 53539479 - 2²⁰ = 52490903 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53539459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424854 + ... + 424979.

It is an arithmetic number, because the mean of its divisors is an integer number (7365228).

Almost surely, 2^53539479 is an apocalyptic number.

53539479 is a deficient number, since it is larger than the sum of its proper divisors (34843257).

53539479 is a wasteful number, since it uses less digits than its factorization.

53539479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849846 (or 849843 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The square root of 53539479 is about 7317.0676503638. The cubic root of 53539479 is about 376.8987642911.

The spelling of 53539479 in words is "fifty-three million, five hundred thirty-nine thousand, four hundred seventy-nine".