52122551 has 8 divisors (see below), whose sum is σ = 56274960. Its totient is φ = 47990592.

The previous prime is 52122533. The next prime is 52122557. The reversal of 52122551 is 15522125.

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

It is not a de Polignac number, because 52122551 - 2¹⁰ = 52121527 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 (52122557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (7034370).

Almost surely, 2^52122551 is an apocalyptic number.

52122551 is a deficient number, since it is larger than the sum of its proper divisors (4152409).

52122551 is a wasteful number, since it uses less digits than its factorization.

52122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225.

The product of its digits is 1000, while the sum is 23.

The square root of 52122551 is about 7219.5949332355. The cubic root of 52122551 is about 373.5441054898.

Adding to 52122551 its reverse (15522125), we get a palindrome (67644676).

The spelling of 52122551 in words is "fifty-two million, one hundred twenty-two thousand, five hundred fifty-one".