53623969 has 8 divisors (see below), whose sum is σ = 62441280. Its totient is φ = 45095856.

The previous prime is 53623961. The next prime is 53623993. The reversal of 53623969 is 96932635.

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 53623969 - 2³ = 53623961 is a prime.

It is a super-2 number, since 2×53623969² = 5751060102625922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53623961) 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, 71899 + ... + 72640.

It is an arithmetic number, because the mean of its divisors is an integer number (7805160).

Almost surely, 2^53623969 is an apocalyptic number.

It is an amenable number.

53623969 is a deficient number, since it is larger than the sum of its proper divisors (8817311).

53623969 is a wasteful number, since it uses less digits than its factorization.

53623969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144599.

The product of its digits is 262440, while the sum is 43.

The square root of 53623969 is about 7322.8388620807. The cubic root of 53623969 is about 377.0969198758.

The spelling of 53623969 in words is "fifty-three million, six hundred twenty-three thousand, nine hundred sixty-nine".