52440055515 has 48 divisors (see below), whose sum is σ = 91270333440. Its totient is φ = 27853117440.

The previous prime is 52440055511. The next prime is 52440055531. The reversal of 52440055515 is 51555004425.

52440055515 is a `hidden beast` number, since 52 + 4 + 40 + 0 + 55 + 515 = 666.

It is not a de Polignac number, because 52440055515 - 2² = 52440055511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52440055515.

It is not an unprimeable number, because it can be changed into a prime (52440055511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13941235 + ... + 13944995.

It is an arithmetic number, because the mean of its divisors is an integer number (1901465280).

Almost surely, 2^52440055515 is an apocalyptic number.

52440055515 is a deficient number, since it is larger than the sum of its proper divisors (38830277925).

52440055515 is a wasteful number, since it uses less digits than its factorization.

52440055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 52440055515 in words is "fifty-two billion, four hundred forty million, fifty-five thousand, five hundred fifteen".