50742968644 has 81 divisors (see below), whose sum is σ = 95580382303. Its totient is φ = 23569613584.

The previous prime is 50742968641. The next prime is 50742968651. The reversal of 50742968644 is 44686924705.

The square root of 50742968644 is 225262.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50742968641) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 611361027 + ... + 611361109.

Almost surely, 2^50742968644 is an apocalyptic number.

50742968644 is the 225262-nd square number.

It is an amenable number.

50742968644 is a deficient number, since it is larger than the sum of its proper divisors (44837413659).

50742968644 is an equidigital number, since it uses as much as digits as its factorization.

50742968644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 50742968644 in words is "fifty billion, seven hundred forty-two million, nine hundred sixty-eight thousand, six hundred forty-four".