52276913 has 4 divisors (see below), whose sum is σ = 56298228. Its totient is φ = 48255600.

The previous prime is 52276901. The next prime is 52276919. The reversal of 52276913 is 31967225.

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 11916304 + 40360609 = 3452^2 + 6353^2 .

It is a cyclic number.

It is not a de Polignac number, because 52276913 - 2⁴ = 52276897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52276919) 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, 2010638 + ... + 2010663.

It is an arithmetic number, because the mean of its divisors is an integer number (14074557).

Almost surely, 2^52276913 is an apocalyptic number.

It is an amenable number.

52276913 is a deficient number, since it is larger than the sum of its proper divisors (4021315).

52276913 is a wasteful number, since it uses less digits than its factorization.

52276913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021314.

The product of its digits is 22680, while the sum is 35.

The square root of 52276913 is about 7230.2775188785. The cubic root of 52276913 is about 373.9124948987.

The spelling of 52276913 in words is "fifty-two million, two hundred seventy-six thousand, nine hundred thirteen".