53684261 has 4 divisors (see below), whose sum is σ = 53700000. Its totient is φ = 53668524.

The previous prime is 53684243. The next prime is 53684263. The reversal of 53684261 is 16248635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53684261 - 2¹⁰ = 53683237 is a prime.

It is a super-2 number, since 2×53684261² = 5763999758232242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53684263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (13425000).

Almost surely, 2^53684261 is an apocalyptic number.

It is an amenable number.

53684261 is a deficient number, since it is larger than the sum of its proper divisors (15739).

53684261 is a wasteful number, since it uses less digits than its factorization.

53684261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its digits is 34560, while the sum is 35.

The square root of 53684261 is about 7326.9544150349. The cubic root of 53684261 is about 377.2381963249.

The spelling of 53684261 in words is "fifty-three million, six hundred eighty-four thousand, two hundred sixty-one".