52322551 has 4 divisors (see below), whose sum is σ = 53736712. Its totient is φ = 50908392.

The previous prime is 52322537. The next prime is 52322573. The reversal of 52322551 is 15522325.

It is a happy number.

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 52322551 - 2¹¹ = 52320503 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 (52322591) 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, 707025 + ... + 707098.

It is an arithmetic number, because the mean of its divisors is an integer number (13434178).

Almost surely, 2^52322551 is an apocalyptic number.

52322551 is a deficient number, since it is larger than the sum of its proper divisors (1414161).

52322551 is a wasteful number, since it uses less digits than its factorization.

52322551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414160.

The product of its digits is 3000, while the sum is 25.

The square root of 52322551 is about 7233.4328641386. The cubic root of 52322551 is about 374.0212723943.

Adding to 52322551 its reverse (15522325), we get a palindrome (67844876).

The spelling of 52322551 in words is "fifty-two million, three hundred twenty-two thousand, five hundred fifty-one".