53551441 has 2 divisors, whose sum is σ = 53551442. Its totient is φ = 53551440.

The previous prime is 53551439. The next prime is 53551447. The reversal of 53551441 is 14415535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29931841 + 23619600 = 5471^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 53551441 - 2¹ = 53551439 is a prime.

Together with 53551439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53551447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775720 + 26775721.

It is an arithmetic number, because the mean of its divisors is an integer number (26775721).

Almost surely, 2^53551441 is an apocalyptic number.

It is an amenable number.

53551441 is a deficient number, since it is larger than the sum of its proper divisors (1).

53551441 is an equidigital number, since it uses as much as digits as its factorization.

53551441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 53551441 is about 7317.8850086620. The cubic root of 53551441 is about 376.9268316001.

Adding to 53551441 its reverse (14415535), we get a palindrome (67966976).

The spelling of 53551441 in words is "fifty-three million, five hundred fifty-one thousand, four hundred forty-one".