52737731 has 4 divisors (see below), whose sum is σ = 52772352. Its totient is φ = 52703112.

The previous prime is 52737721. The next prime is 52737743. The reversal of 52737731 is 13773725.

52737731 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52737731 is a prime.

It is a super-3 number, since 3×52737731³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52737691 and 52737700.

It is not an unprimeable number, because it can be changed into a prime (52737701) by changing a digit.

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, 14915 + ... + 18108.

It is an arithmetic number, because the mean of its divisors is an integer number (13193088).

Almost surely, 2^52737731 is an apocalyptic number.

52737731 is a deficient number, since it is larger than the sum of its proper divisors (34621).

52737731 is a wasteful number, since it uses less digits than its factorization.

52737731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34620.

The product of its digits is 30870, while the sum is 35.

The square root of 52737731 is about 7262.0748412558. The cubic root of 52737731 is about 375.0079547942.

The spelling of 52737731 in words is "fifty-two million, seven hundred thirty-seven thousand, seven hundred thirty-one".