52686479 has 4 divisors (see below), whose sum is σ = 53178984. Its totient is φ = 52193976.

The previous prime is 52686463. The next prime is 52686503. The reversal of 52686479 is 97468625.

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 52686479 - 2⁴ = 52686463 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 (52686079) 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, 246092 + ... + 246305.

It is an arithmetic number, because the mean of its divisors is an integer number (13294746).

Almost surely, 2^52686479 is an apocalyptic number.

52686479 is a deficient number, since it is larger than the sum of its proper divisors (492505).

52686479 is a wasteful number, since it uses less digits than its factorization.

52686479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492504.

The product of its digits is 725760, while the sum is 47.

The square root of 52686479 is about 7258.5452399224. The cubic root of 52686479 is about 374.8864343518.

The spelling of 52686479 in words is "fifty-two million, six hundred eighty-six thousand, four hundred seventy-nine".