52405412 has 12 divisors (see below), whose sum is σ = 91899696. Its totient is φ = 26148360.

The previous prime is 52405403. The next prime is 52405427. The reversal of 52405412 is 21450425.

It is a happy number.

52405412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11378 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (7658308).

Almost surely, 2^52405412 is an apocalyptic number.

It is an amenable number.

52405412 is a deficient number, since it is larger than the sum of its proper divisors (39494284).

52405412 is a wasteful number, since it uses less digits than its factorization.

52405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27178 (or 27176 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52405412 is about 7239.1582383589. The cubic root of 52405412 is about 374.2186087902.

Adding to 52405412 its reverse (21450425), we get a palindrome (73855837).

It can be divided in two parts, 5 and 2405412, that multiplied together give a triangular number (12027060 = T₄₉₀₄).

The spelling of 52405412 in words is "fifty-two million, four hundred five thousand, four hundred twelve".