53980079 has 4 divisors (see below), whose sum is σ = 54030384. Its totient is φ = 53929776.

The previous prime is 53980039. The next prime is 53980097. The reversal of 53980079 is 97008935.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53980079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53980009) 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, 23507 + ... + 25700.

It is an arithmetic number, because the mean of its divisors is an integer number (13507596).

Almost surely, 2^53980079 is an apocalyptic number.

53980079 is a deficient number, since it is larger than the sum of its proper divisors (50305).

53980079 is a wasteful number, since it uses less digits than its factorization.

53980079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50304.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 53980079 is about 7347.1136509516. The cubic root of 53980079 is about 377.9298298310.

The spelling of 53980079 in words is "fifty-three million, nine hundred eighty thousand, seventy-nine".