52684418 has 4 divisors (see below), whose sum is σ = 79026630. Its totient is φ = 26342208.

The previous prime is 52684403. The next prime is 52684433. The reversal of 52684418 is 81448625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52684403) and next prime (52684433).

It can be written as a sum of positive squares in only one way, i.e., 52374169 + 310249 = 7237^2 + 557^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171103 + ... + 13171106.

Almost surely, 2^52684418 is an apocalyptic number.

52684418 is a deficient number, since it is larger than the sum of its proper divisors (26342212).

52684418 is a wasteful number, since it uses less digits than its factorization.

52684418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26342211.

The product of its digits is 61440, while the sum is 38.

The square root of 52684418 is about 7258.4032679371. The cubic root of 52684418 is about 374.8815459944.

The spelling of 52684418 in words is "fifty-two million, six hundred eighty-four thousand, four hundred eighteen".