50721006001023 has 12 divisors (see below), whose sum is σ = 73264721064288. Its totient is φ = 33813521356320.

The previous prime is 50721006001021. The next prime is 50721006001079. The reversal of 50721006001023 is 32010060012705.

It is a happy number.

50721006001023 is a `hidden beast` number, since 5 + 0 + 7 + 21 + 0 + 0 + 600 + 10 + 23 = 666.

It is not a de Polignac number, because 50721006001023 - 2¹ = 50721006001021 is a prime.

It is a super-2 number, since 2×50721006001023² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50721006001021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39554215 + ... + 40816392.

It is an arithmetic number, because the mean of its divisors is an integer number (6105393422024).

Almost surely, 2^{50721006001023} is an apocalyptic number.

50721006001023 is a deficient number, since it is larger than the sum of its proper divisors (22543715063265).

50721006001023 is a wasteful number, since it uses less digits than its factorization.

50721006001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80440734 (or 80440731 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 50721006001023 its reverse (32010060012705), we get a palindrome (82731066013728).

The spelling of 50721006001023 in words is "fifty trillion, seven hundred twenty-one billion, six million, one thousand, twenty-three".