52161888937 has 2 divisors, whose sum is σ = 52161888938. Its totient is φ = 52161888936.

The previous prime is 52161888917. The next prime is 52161888941. The reversal of 52161888937 is 73988816125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49484447401 + 2677441536 = 222451^2 + 51744^2 .

It is a cyclic number.

It is not a de Polignac number, because 52161888937 - 2²⁷ = 52027671209 is a prime.

It is not a weakly prime, because it can be changed into another prime (52161888917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26080944468 + 26080944469.

It is an arithmetic number, because the mean of its divisors is an integer number (26080944469).

Almost surely, 2^52161888937 is an apocalyptic number.

It is an amenable number.

52161888937 is a deficient number, since it is larger than the sum of its proper divisors (1).

52161888937 is an equidigital number, since it uses as much as digits as its factorization.

52161888937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 58.

The spelling of 52161888937 in words is "fifty-two billion, one hundred sixty-one million, eight hundred eighty-eight thousand, nine hundred thirty-seven".