53422251 has 16 divisors (see below), whose sum is σ = 72861984. Its totient is φ = 34804224.

The previous prime is 53422231. The next prime is 53422277. The reversal of 53422251 is 15222435.

It is not a de Polignac number, because 53422251 - 2¹⁷ = 53291179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53422231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53085 + ... + 54081.

It is an arithmetic number, because the mean of its divisors is an integer number (4553874).

Almost surely, 2^53422251 is an apocalyptic number.

53422251 is a deficient number, since it is larger than the sum of its proper divisors (19439733).

53422251 is a wasteful number, since it uses less digits than its factorization.

53422251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its digits is 2400, while the sum is 24.

The square root of 53422251 is about 7309.0526745947. The cubic root of 53422251 is about 376.6234822273.

Adding to 53422251 its reverse (15222435), we get a palindrome (68644686).

The spelling of 53422251 in words is "fifty-three million, four hundred twenty-two thousand, two hundred fifty-one".