52171904419198 has 32 divisors (see below), whose sum is σ = 79524722158560. Its totient is φ = 25666963292160.

The previous prime is 52171904419181. The next prime is 52171904419211. The reversal of 52171904419198 is 89191440917125.

It is a super-2 number, since 2×52171904419198² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58679688 + ... + 59562148.

It is an arithmetic number, because the mean of its divisors is an integer number (2485147567455).

Almost surely, 2^{52171904419198} is an apocalyptic number.

52171904419198 is a deficient number, since it is larger than the sum of its proper divisors (27352817739362).

52171904419198 is a wasteful number, since it uses less digits than its factorization.

52171904419198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884332.

The product of its (nonzero) digits is 6531840, while the sum is 61.

The spelling of 52171904419198 in words is "fifty-two trillion, one hundred seventy-one billion, nine hundred four million, four hundred nineteen thousand, one hundred ninety-eight".