52399033 has 4 divisors (see below), whose sum is σ = 53387748. Its totient is φ = 51410320.

The previous prime is 52399013. The next prime is 52399051. The reversal of 52399033 is 33099325.

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 47720464 + 4678569 = 6908^2 + 2163^2 .

It is a cyclic number.

It is not a de Polignac number, because 52399033 - 2¹³ = 52390841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52399033.

It is not an unprimeable number, because it can be changed into a prime (52399013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494278 + ... + 494383.

It is an arithmetic number, because the mean of its divisors is an integer number (13346937).

Almost surely, 2^52399033 is an apocalyptic number.

52399033 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

52399033 is a deficient number, since it is larger than the sum of its proper divisors (988715).

52399033 is an equidigital number, since it uses as much as digits as its factorization.

52399033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988714.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 52399033 is about 7238.7176350511. The cubic root of 52399033 is about 374.2034243701.

The spelling of 52399033 in words is "fifty-two million, three hundred ninety-nine thousand, thirty-three".