52197185089 has 4 divisors (see below), whose sum is σ = 59653925824. Its totient is φ = 44740444356.

The previous prime is 52197185083. The next prime is 52197185107. The reversal of 52197185089 is 98058179125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52197185089 - 2⁷ = 52197184961 is a prime.

It is a super-2 number, since 2×52197185089² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52197185083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728370357 + ... + 3728370370.

It is an arithmetic number, because the mean of its divisors is an integer number (14913481456).

Almost surely, 2^52197185089 is an apocalyptic number.

It is an amenable number.

52197185089 is a deficient number, since it is larger than the sum of its proper divisors (7456740735).

52197185089 is an equidigital number, since it uses as much as digits as its factorization.

52197185089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456740734.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 52197185089 in words is "fifty-two billion, one hundred ninety-seven million, one hundred eighty-five thousand, eighty-nine".