52662791 has 4 divisors (see below), whose sum is σ = 53041800. Its totient is φ = 52283784.

The previous prime is 52662773. The next prime is 52662823. The reversal of 52662791 is 19726625.

It is a happy number.

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-52662791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52662721) 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 3 ways as a sum of consecutive naturals, for example, 189296 + ... + 189573.

It is an arithmetic number, because the mean of its divisors is an integer number (13260450).

Almost surely, 2^52662791 is an apocalyptic number.

52662791 is a deficient number, since it is larger than the sum of its proper divisors (379009).

52662791 is a wasteful number, since it uses less digits than its factorization.

52662791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379008.

The product of its digits is 45360, while the sum is 38.

The square root of 52662791 is about 7256.9133245478. The cubic root of 52662791 is about 374.8302425721.

The spelling of 52662791 in words is "fifty-two million, six hundred sixty-two thousand, seven hundred ninety-one".