53247233 has 8 divisors (see below), whose sum is σ = 58742376. Its totient is φ = 47952000.

The previous prime is 53247223. The next prime is 53247241. The reversal of 53247233 is 33274235.

It can be written as a sum of positive squares in 4 ways, for example, as 2666689 + 50580544 = 1633^2 + 7112^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53247233 - 2¹⁸ = 52985089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53247196 and 53247205.

It is not an unprimeable number, because it can be changed into a prime (53247203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49418 + ... + 50483.

It is an arithmetic number, because the mean of its divisors is an integer number (7342797).

Almost surely, 2^53247233 is an apocalyptic number.

It is an amenable number.

53247233 is a deficient number, since it is larger than the sum of its proper divisors (5495143).

53247233 is a wasteful number, since it uses less digits than its factorization.

53247233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99955.

The product of its digits is 15120, while the sum is 29.

The square root of 53247233 is about 7297.0701654842. The cubic root of 53247233 is about 376.2117436628.

The spelling of 53247233 in words is "fifty-three million, two hundred forty-seven thousand, two hundred thirty-three".