53694736 has 20 divisors (see below), whose sum is σ = 104613964. Its totient is φ = 26697600.

The previous prime is 53694713. The next prime is 53694737. The reversal of 53694736 is 63749635.

It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 44355600 = 3056^2 + 6660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53694692 and 53694701.

It is not an unprimeable number, because it can be changed into a prime (53694737) 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, 6375 + ... + 12166.

Almost surely, 2^53694736 is an apocalyptic number.

It is an amenable number.

53694736 is a deficient number, since it is larger than the sum of its proper divisors (50919228).

53694736 is a wasteful number, since it uses less digits than its factorization.

53694736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18730 (or 18724 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 53694736 is about 7327.6692065076. The cubic root of 53694736 is about 377.2627305990.

The spelling of 53694736 in words is "fifty-three million, six hundred ninety-four thousand, seven hundred thirty-six".