52807532198 has 4 divisors (see below), whose sum is σ = 79211298300. Its totient is φ = 26403766098.

The previous prime is 52807532179. The next prime is 52807532207. The reversal of 52807532198 is 89123570825.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×52807532198² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201883048 + ... + 13201883051.

It is an arithmetic number, because the mean of its divisors is an integer number (19802824575).

Almost surely, 2^52807532198 is an apocalyptic number.

52807532198 is a deficient number, since it is larger than the sum of its proper divisors (26403766102).

52807532198 is a wasteful number, since it uses less digits than its factorization.

52807532198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26403766101.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 52807532198 in words is "fifty-two billion, eight hundred seven million, five hundred thirty-two thousand, one hundred ninety-eight".