50947205310018 has 24 divisors (see below), whose sum is σ = 116195380532400. Its totient is φ = 16088591150424.

The previous prime is 50947205309963. The next prime is 50947205310077. The reversal of 50947205310018 is 81001350274905.

50947205310018 is a `hidden beast` number, since 5 + 0 + 94 + 7 + 20 + 531 + 0 + 0 + 1 + 8 = 666.

It is a super-2 number, since 2×50947205310018² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74484217948 + ... + 74484218631.

It is an arithmetic number, because the mean of its divisors is an integer number (4841474188850).

Almost surely, 2^{50947205310018} is an apocalyptic number.

50947205310018 is an abundant number, since it is smaller than the sum of its proper divisors (65248175222382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50947205310018 is a wasteful number, since it uses less digits than its factorization.

50947205310018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148968436606 (or 148968436603 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 50947205310018 in words is "fifty trillion, nine hundred forty-seven billion, two hundred five million, three hundred ten thousand, eighteen".