52630291 has 8 divisors (see below), whose sum is σ = 60197984. Its totient is φ = 45074880.

The previous prime is 52630267. The next prime is 52630307. The reversal of 52630291 is 19203625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52630291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52630261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9631 + ... + 14071.

It is an arithmetic number, because the mean of its divisors is an integer number (7524748).

Almost surely, 2^52630291 is an apocalyptic number.

52630291 is a deficient number, since it is larger than the sum of its proper divisors (7567693).

52630291 is a wasteful number, since it uses less digits than its factorization.

52630291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52630291 is about 7254.6737349105. The cubic root of 52630291 is about 374.7531198732.

The spelling of 52630291 in words is "fifty-two million, six hundred thirty thousand, two hundred ninety-one".