52452018 has 12 divisors (see below), whose sum is σ = 113646078. Its totient is φ = 17484000.

The previous prime is 52452013. The next prime is 52452019. The reversal of 52452018 is 81025425.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48399849 + 4052169 = 6957^2 + 2013^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52451982 and 52452000.

It is not an unprimeable number, because it can be changed into a prime (52452011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1456983 + ... + 1457018.

Almost surely, 2^52452018 is an apocalyptic number.

52452018 is an abundant number, since it is smaller than the sum of its proper divisors (61194060).

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

52452018 is a wasteful number, since it uses less digits than its factorization.

52452018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914009 (or 2914006 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 52452018 is about 7242.3765436492. The cubic root of 52452018 is about 374.3295112340.

The spelling of 52452018 in words is "fifty-two million, four hundred fifty-two thousand, eighteen".