52551191 has 8 divisors (see below), whose sum is σ = 65518464. Its totient is φ = 40948920.

The previous prime is 52551179. The next prime is 52551223. The reversal of 52551191 is 19115525.

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

It is a cyclic number.

It is not a de Polignac number, because 52551191 - 2¹⁰ = 52550167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52551151) 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, 341165 + ... + 341318.

It is an arithmetic number, because the mean of its divisors is an integer number (8189808).

Almost surely, 2^52551191 is an apocalyptic number.

52551191 is a deficient number, since it is larger than the sum of its proper divisors (12967273).

52551191 is a wasteful number, since it uses less digits than its factorization.

52551191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682501.

The product of its digits is 2250, while the sum is 29.

The square root of 52551191 is about 7249.2200270098. The cubic root of 52551191 is about 374.5652823236.

It can be divided in two parts, 5255 and 1191, that added together give a palindrome (6446).

The spelling of 52551191 in words is "fifty-two million, five hundred fifty-one thousand, one hundred ninety-one".