53502369 has 4 divisors (see below), whose sum is σ = 71336496. Its totient is φ = 35668244.

The previous prime is 53502367. The next prime is 53502401. The reversal of 53502369 is 96320535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53502369 - 2¹ = 53502367 is a prime.

It is a super-2 number, since 2×53502369² = 5725006977224322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53502367) 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, 8917059 + ... + 8917064.

It is an arithmetic number, because the mean of its divisors is an integer number (17834124).

Almost surely, 2^53502369 is an apocalyptic number.

It is an amenable number.

53502369 is a deficient number, since it is larger than the sum of its proper divisors (17834127).

53502369 is a wasteful number, since it uses less digits than its factorization.

53502369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17834126.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 53502369 is about 7314.5313588773. The cubic root of 53502369 is about 376.8116637926.

The spelling of 53502369 in words is "fifty-three million, five hundred two thousand, three hundred sixty-nine".