52408733 has 4 divisors (see below), whose sum is σ = 56440188. Its totient is φ = 48377280.

The previous prime is 52408729. The next prime is 52408751. The reversal of 52408733 is 33780425.

It is a happy number.

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 12124324 + 40284409 = 3482^2 + 6347^2 .

It is a cyclic number.

It is not a de Polignac number, because 52408733 - 2² = 52408729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52408733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52408723) 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, 2015708 + ... + 2015733.

It is an arithmetic number, because the mean of its divisors is an integer number (14110047).

Almost surely, 2^52408733 is an apocalyptic number.

It is an amenable number.

52408733 is a deficient number, since it is larger than the sum of its proper divisors (4031455).

52408733 is a wasteful number, since it uses less digits than its factorization.

52408733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031454.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 52408733 is about 7239.3876122225. The cubic root of 52408733 is about 374.2265135319.

The spelling of 52408733 in words is "fifty-two million, four hundred eight thousand, seven hundred thirty-three".