72050550539 has 16 divisors (see below), whose sum is σ = 81372625920. Its totient is φ = 63228663360.

The previous prime is 72050550527. The next prime is 72050550563. The reversal of 72050550539 is 93505505027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72050550539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72050550496 and 72050550505.

It is not an unprimeable number, because it can be changed into a prime (72050550569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916799 + ... + 992280.

It is an arithmetic number, because the mean of its divisors is an integer number (5085789120).

Almost surely, 2^72050550539 is an apocalyptic number.

72050550539 is a deficient number, since it is larger than the sum of its proper divisors (9322075381).

72050550539 is a wasteful number, since it uses less digits than its factorization.

72050550539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909210.

The product of its (nonzero) digits is 236250, while the sum is 41.

The spelling of 72050550539 in words is "seventy-two billion, fifty million, five hundred fifty thousand, five hundred thirty-nine".