50637645016881 has 32 divisors (see below), whose sum is σ = 76996462894848. Its totient is φ = 29325195694080.

The previous prime is 50637645016831. The next prime is 50637645016891. The reversal of 50637645016881 is 18861054673605.

It is a happy number.

It is not a de Polignac number, because 50637645016881 - 2⁷ = 50637645016753 is a prime.

It is a super-2 number, since 2×50637645016881² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50637645016831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1316601 + ... + 10149321.

It is an arithmetic number, because the mean of its divisors is an integer number (2406139465464).

Almost surely, 2^{50637645016881} is an apocalyptic number.

50637645016881 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50637645016881 is a deficient number, since it is larger than the sum of its proper divisors (26358817877967).

50637645016881 is a wasteful number, since it uses less digits than its factorization.

50637645016881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841401.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 50637645016881 in words is "fifty trillion, six hundred thirty-seven billion, six hundred forty-five million, sixteen thousand, eight hundred eighty-one".