50015666009954 has 16 divisors (see below), whose sum is σ = 75066985973760. Its totient is φ = 24993338032800.

The previous prime is 50015666009909. The next prime is 50015666009989. The reversal of 50015666009954 is 45990066651005.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50015666009954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171824867 + ... + 172115705.

It is an arithmetic number, because the mean of its divisors is an integer number (4691686623360).

Almost surely, 2^{50015666009954} is an apocalyptic number.

50015666009954 is a deficient number, since it is larger than the sum of its proper divisors (25051319963806).

50015666009954 is a wasteful number, since it uses less digits than its factorization.

50015666009954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340385.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 50015666009954 in words is "fifty trillion, fifteen billion, six hundred sixty-six million, nine thousand, nine hundred fifty-four".