53976959 has 4 divisors (see below), whose sum is σ = 54248400. Its totient is φ = 53705520.

The previous prime is 53976947. The next prime is 53976977. The reversal of 53976959 is 95967935.

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

It is a cyclic number.

It is not a de Polignac number, because 53976959 - 2⁴ = 53976943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53976959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53975959) 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, 135422 + ... + 135819.

It is an arithmetic number, because the mean of its divisors is an integer number (13562100).

Almost surely, 2^53976959 is an apocalyptic number.

53976959 is a deficient number, since it is larger than the sum of its proper divisors (271441).

53976959 is a wasteful number, since it uses less digits than its factorization.

53976959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271440.

The product of its digits is 2296350, while the sum is 53.

The square root of 53976959 is about 7346.9013196041. The cubic root of 53976959 is about 377.9225483559.

The spelling of 53976959 in words is "fifty-three million, nine hundred seventy-six thousand, nine hundred fifty-nine".