53158426891 has 2 divisors, whose sum is σ = 53158426892. Its totient is φ = 53158426890.

The previous prime is 53158426883. The next prime is 53158426901. The reversal of 53158426891 is 19862485135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53158426891 - 2³ = 53158426883 is a prime.

It is not a weakly prime, because it can be changed into another prime (53158426831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26579213445 + 26579213446.

It is an arithmetic number, because the mean of its divisors is an integer number (26579213446).

Almost surely, 2^53158426891 is an apocalyptic number.

53158426891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53158426891 is an equidigital number, since it uses as much as digits as its factorization.

53158426891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The spelling of 53158426891 in words is "fifty-three billion, one hundred fifty-eight million, four hundred twenty-six thousand, eight hundred ninety-one".