53786879 has 4 divisors (see below), whose sum is σ = 53878176. Its totient is φ = 53695584.

The previous prime is 53786839. The next prime is 53786881. The reversal of 53786879 is 97868735.

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 53786879 - 2¹² = 53782783 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 53786879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53786809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44759 + ... + 45944.

It is an arithmetic number, because the mean of its divisors is an integer number (13469544).

Almost surely, 2^53786879 is an apocalyptic number.

53786879 is a deficient number, since it is larger than the sum of its proper divisors (91297).

53786879 is an equidigital number, since it uses as much as digits as its factorization.

53786879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91296.

The product of its digits is 2540160, while the sum is 53.

The square root of 53786879 is about 7333.9538449598. The cubic root of 53786879 is about 377.4784081915.

The spelling of 53786879 in words is "fifty-three million, seven hundred eighty-six thousand, eight hundred seventy-nine".