53623959 has 8 divisors (see below), whose sum is σ = 71538432. Its totient is φ = 35729400.

The previous prime is 53623949. The next prime is 53623961. The reversal of 53623959 is 95932635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53623959 - 2⁴ = 53623943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53623959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53623949) 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, 3252 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (8942304).

Almost surely, 2^53623959 is an apocalyptic number.

53623959 is a deficient number, since it is larger than the sum of its proper divisors (17914473).

53623959 is a wasteful number, since it uses less digits than its factorization.

53623959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957.

The product of its digits is 218700, while the sum is 42.

The square root of 53623959 is about 7322.8381792854. The cubic root of 53623959 is about 377.0968964350.

The spelling of 53623959 in words is "fifty-three million, six hundred twenty-three thousand, nine hundred fifty-nine".