52303745 has 16 divisors (see below), whose sum is σ = 68200272. Its totient is φ = 38277120.

The previous prime is 52303717. The next prime is 52303793. The reversal of 52303745 is 54730325.

It can be written as a sum of positive squares in 8 ways, for example, as 32581264 + 19722481 = 5708^2 + 4441^2 .

It is not a de Polignac number, because 52303745 - 2¹² = 52299649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3785 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (4262517).

Almost surely, 2^52303745 is an apocalyptic number.

It is an amenable number.

52303745 is a deficient number, since it is larger than the sum of its proper divisors (15896527).

52303745 is a wasteful number, since it uses less digits than its factorization.

52303745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 52303745 is about 7232.1328112805. The cubic root of 52303745 is about 373.9764562376.

The spelling of 52303745 in words is "fifty-two million, three hundred three thousand, seven hundred forty-five".