52650181881217 has 16 divisors (see below), whose sum is σ = 53443089249984. Its totient is φ = 51862781880000.

The previous prime is 52650181881119. The next prime is 52650181881233. The reversal of 52650181881217 is 71218818105625.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52650181881217 is a prime.

It is a super-3 number, since 3×52650181881217³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52650181881917) 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, 57748023 + ... + 58652659.

It is an arithmetic number, because the mean of its divisors is an integer number (3340193078124).

Almost surely, 2^{52650181881217} is an apocalyptic number.

It is an amenable number.

52650181881217 is a deficient number, since it is larger than the sum of its proper divisors (792907368767).

52650181881217 is a wasteful number, since it uses less digits than its factorization.

52650181881217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907680.

The product of its (nonzero) digits is 2150400, while the sum is 55.

The spelling of 52650181881217 in words is "fifty-two trillion, six hundred fifty billion, one hundred eighty-one million, eight hundred eighty-one thousand, two hundred seventeen".