50598639664 has 10 divisors (see below), whose sum is σ = 98034864380. Its totient is φ = 25299319824.

The previous prime is 50598639587. The next prime is 50598639667. The reversal of 50598639664 is 46693689505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50598639667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581207474 + ... + 1581207505.

It is an arithmetic number, because the mean of its divisors is an integer number (9803486438).

Almost surely, 2^50598639664 is an apocalyptic number.

It is an amenable number.

50598639664 is a deficient number, since it is larger than the sum of its proper divisors (47436224716).

50598639664 is a wasteful number, since it uses less digits than its factorization.

50598639664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162414987 (or 3162414981 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 50598639664 in words is "fifty billion, five hundred ninety-eight million, six hundred thirty-nine thousand, six hundred sixty-four".