52099979855 has 32 divisors (see below), whose sum is σ = 79537766400. Its totient is φ = 32477897760.

The previous prime is 52099979839. The next prime is 52099979863. The reversal of 52099979855 is 55897999025.

It is not a de Polignac number, because 52099979855 - 2⁴ = 52099979839 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1361999 + ... + 1399728.

It is an arithmetic number, because the mean of its divisors is an integer number (2485555200).

Almost surely, 2^52099979855 is an apocalyptic number.

52099979855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52099979855 is a deficient number, since it is larger than the sum of its proper divisors (27437786545).

52099979855 is a wasteful number, since it uses less digits than its factorization.

52099979855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761764 (or 2761750 counting only the distinct ones).

The product of its (nonzero) digits is 91854000, while the sum is 68.

The spelling of 52099979855 in words is "fifty-two billion, ninety-nine million, nine hundred seventy-nine thousand, eight hundred fifty-five".