52451543099 has 4 divisors (see below), whose sum is σ = 52452912480. Its totient is φ = 52450173720.

The previous prime is 52451543093. The next prime is 52451543161. The reversal of 52451543099 is 99034515425.

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

It is a cyclic number.

It is not a de Polignac number, because 52451543099 - 2²⁴ = 52434765883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52451543093) 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 in 3 ways as a sum of consecutive naturals, for example, 625532 + ... + 704409.

It is an arithmetic number, because the mean of its divisors is an integer number (13113228120).

Almost surely, 2^52451543099 is an apocalyptic number.

52451543099 is a deficient number, since it is larger than the sum of its proper divisors (1369381).

52451543099 is a wasteful number, since it uses less digits than its factorization.

52451543099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369380.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 52451543099 in words is "fifty-two billion, four hundred fifty-one million, five hundred forty-three thousand, ninety-nine".