53684929 has 9 divisors (see below), whose sum is σ = 57161251. Its totient is φ = 50409760.

The previous prime is 53684927. The next prime is 53684933. The reversal of 53684929 is 92948635.

The square root of 53684929 is 7327.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 11888704 = 6465^2 + 3448^2 .

It is not a de Polignac number, because 53684929 - 2¹ = 53684927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53684927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124344 + ... + 124774.

Almost surely, 2^53684929 is an apocalyptic number.

53684929 is the 7327-th square number.

53684929 is the 3664-th centered octagonal number.

It is an amenable number.

53684929 is a deficient number, since it is larger than the sum of its proper divisors (3476322).

53684929 is an frugal number, since it uses more digits than its factorization.

53684929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 448 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The cubic root of 53684929 is about 377.2397609925.

The spelling of 53684929 in words is "fifty-three million, six hundred eighty-four thousand, nine hundred twenty-nine".