44136551 has 2 divisors, whose sum is σ = 44136552. Its totient is φ = 44136550.

The previous prime is 44136527. The next prime is 44136569. The reversal of 44136551 is 15563144.

It is a happy number.

44136551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44136551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44136571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22068275 + 22068276.

It is an arithmetic number, because the mean of its divisors is an integer number (22068276).

Almost surely, 2^44136551 is an apocalyptic number.

44136551 is a deficient number, since it is larger than the sum of its proper divisors (1).

44136551 is an equidigital number, since it uses as much as digits as its factorization.

44136551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 44136551 is about 6643.5345261389. The cubic root of 44136551 is about 353.3996628966.

Adding to 44136551 its reverse (15563144), we get a palindrome (59699695).

The spelling of 44136551 in words is "forty-four million, one hundred thirty-six thousand, five hundred fifty-one".