52552418 has 4 divisors (see below), whose sum is σ = 78828630. Its totient is φ = 26276208.

The previous prime is 52552417. The next prime is 52552433. The reversal of 52552418 is 81425525.

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

It can be written as a sum of positive squares in only one way, i.e., 52171729 + 380689 = 7223^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (52552411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13138103 + ... + 13138106.

Almost surely, 2^52552418 is an apocalyptic number.

52552418 is a deficient number, since it is larger than the sum of its proper divisors (26276212).

52552418 is a wasteful number, since it uses less digits than its factorization.

52552418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26276211.

The product of its digits is 16000, while the sum is 32.

The square root of 52552418 is about 7249.3046563101. The cubic root of 52552418 is about 374.5681975003.

The spelling of 52552418 in words is "fifty-two million, five hundred fifty-two thousand, four hundred eighteen".