50666737390 has 16 divisors (see below), whose sum is σ = 91203761808. Its totient is φ = 20265887296.

The previous prime is 50666737367. The next prime is 50666737409. The reversal of 50666737390 is 9373766605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207354 + ... + 379906.

It is an arithmetic number, because the mean of its divisors is an integer number (5700235113).

Almost surely, 2^50666737390 is an apocalyptic number.

50666737390 is a deficient number, since it is larger than the sum of its proper divisors (40537024418).

50666737390 is a wasteful number, since it uses less digits than its factorization.

50666737390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201923.

The product of its (nonzero) digits is 4286520, while the sum is 52.

The spelling of 50666737390 in words is "fifty billion, six hundred sixty-six million, seven hundred thirty-seven thousand, three hundred ninety".