52087733 has 4 divisors (see below), whose sum is σ = 52419660. Its totient is φ = 51755808.

The previous prime is 52087727. The next prime is 52087787. The reversal of 52087733 is 33778025.

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 30724849 + 21362884 = 5543^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 52087733 - 2¹² = 52083637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52087693 and 52087702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52087723) 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, 165728 + ... + 166041.

It is an arithmetic number, because the mean of its divisors is an integer number (13104915).

Almost surely, 2^52087733 is an apocalyptic number.

It is an amenable number.

52087733 is a deficient number, since it is larger than the sum of its proper divisors (331927).

52087733 is a wasteful number, since it uses less digits than its factorization.

52087733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331926.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 52087733 is about 7217.1831762815. The cubic root of 52087733 is about 373.4609108168.

The spelling of 52087733 in words is "fifty-two million, eighty-seven thousand, seven hundred thirty-three".