52823791 has 4 divisors (see below), whose sum is σ = 52946784. Its totient is φ = 52700800.

The previous prime is 52823789. The next prime is 52823807. The reversal of 52823791 is 19732825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52823791 - 2¹ = 52823789 is a prime.

It is a super-2 number, since 2×52823791² = 5580705791223362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52823791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52823711) 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, 60850 + ... + 61711.

It is an arithmetic number, because the mean of its divisors is an integer number (13236696).

Almost surely, 2^52823791 is an apocalyptic number.

52823791 is a deficient number, since it is larger than the sum of its proper divisors (122993).

52823791 is a wasteful number, since it uses less digits than its factorization.

52823791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122992.

The product of its digits is 30240, while the sum is 37.

The square root of 52823791 is about 7267.9977297740. The cubic root of 52823791 is about 375.2118293567.

The spelling of 52823791 in words is "fifty-two million, eight hundred twenty-three thousand, seven hundred ninety-one".