53044487 has 2 divisors, whose sum is σ = 53044488. Its totient is φ = 53044486.

The previous prime is 53044483. The next prime is 53044489. The reversal of 53044487 is 78444035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53044487 - 2² = 53044483 is a prime.

Together with 53044489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53044483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26522243 + 26522244.

It is an arithmetic number, because the mean of its divisors is an integer number (26522244).

Almost surely, 2^53044487 is an apocalyptic number.

53044487 is a deficient number, since it is larger than the sum of its proper divisors (1).

53044487 is an equidigital number, since it uses as much as digits as its factorization.

53044487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 53044487 is about 7283.1646280995. The cubic root of 53044487 is about 375.7336440706.

The spelling of 53044487 in words is "fifty-three million, forty-four thousand, four hundred eighty-seven".