53679511 has 4 divisors (see below), whose sum is σ = 53695224. Its totient is φ = 53663800.

The previous prime is 53679491. The next prime is 53679547. The reversal of 53679511 is 11597635.

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-53679511 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 (53679211) 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, 325 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (13423806).

Almost surely, 2^53679511 is an apocalyptic number.

53679511 is a deficient number, since it is larger than the sum of its proper divisors (15713).

53679511 is a wasteful number, since it uses less digits than its factorization.

53679511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712.

The product of its digits is 28350, while the sum is 37.

The square root of 53679511 is about 7326.6302622693. The cubic root of 53679511 is about 377.2270699460.

It can be divided in two parts, 5367 and 9511, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 53679511 in words is "fifty-three million, six hundred seventy-nine thousand, five hundred eleven".