53139890459 has 2 divisors, whose sum is σ = 53139890460. Its totient is φ = 53139890458.

The previous prime is 53139890443. The next prime is 53139890467. The reversal of 53139890459 is 95409893135.

It is a happy number.

53139890459 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 not a de Polignac number, because 53139890459 - 2⁴ = 53139890443 is a prime.

It is not a weakly prime, because it can be changed into another prime (53139890059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26569945229 + 26569945230.

It is an arithmetic number, because the mean of its divisors is an integer number (26569945230).

Almost surely, 2^53139890459 is an apocalyptic number.

53139890459 is a deficient number, since it is larger than the sum of its proper divisors (1).

53139890459 is an equidigital number, since it uses as much as digits as its factorization.

53139890459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 53139890459 in words is "fifty-three billion, one hundred thirty-nine million, eight hundred ninety thousand, four hundred fifty-nine".