52406345 has 4 divisors (see below), whose sum is σ = 62887620. Its totient is φ = 41925072.

The previous prime is 52406339. The next prime is 52406357. The reversal of 52406345 is 54360425.

52406345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31685641 + 20720704 = 5629^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 52406345 - 2⁴ = 52406329 is a prime.

It is a Curzon number.

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, 5240630 + ... + 5240639.

It is an arithmetic number, because the mean of its divisors is an integer number (15721905).

Almost surely, 2^52406345 is an apocalyptic number.

It is an amenable number.

52406345 is a deficient number, since it is larger than the sum of its proper divisors (10481275).

52406345 is a wasteful number, since it uses less digits than its factorization.

52406345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481274.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 52406345 is about 7239.2226792661. Note that the first 3 decimals coincide. The cubic root of 52406345 is about 374.2208295779.

The spelling of 52406345 in words is "fifty-two million, four hundred six thousand, three hundred forty-five".