53694336 has 64 divisors (see below), whose sum is σ = 144823680. Its totient is φ = 17622528.

The previous prime is 53694331. The next prime is 53694349. The reversal of 53694336 is 63349635.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 53694294 and 53694303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53694331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24685 + ... + 26771.

It is an arithmetic number, because the mean of its divisors is an integer number (2262870).

Almost surely, 2^53694336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53694336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72411840).

53694336 is an abundant number, since it is smaller than the sum of its proper divisors (91129344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53694336 is a wasteful number, since it uses less digits than its factorization.

53694336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2159 counting only the distinct ones).

The product of its digits is 174960, while the sum is 39.

The square root of 53694336 is about 7327.6419126483. The cubic root of 53694336 is about 377.2617937879.

The spelling of 53694336 in words is "fifty-three million, six hundred ninety-four thousand, three hundred thirty-six".