50915220780 has 24 divisors (see below), whose sum is σ = 142562618352. Its totient is φ = 13577392192.

The previous prime is 50915220761. The next prime is 50915220791. The reversal of 50915220780 is 8702251905.

It is a super-2 number, since 2×50915220780² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424293447 + ... + 424293566.

It is an arithmetic number, because the mean of its divisors is an integer number (5940109098).

Almost surely, 2^50915220780 is an apocalyptic number.

It is an amenable number.

50915220780 is an abundant number, since it is smaller than the sum of its proper divisors (91647397572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50915220780 is a wasteful number, since it uses less digits than its factorization.

50915220780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848587025 (or 848587023 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 50915220780 in words is "fifty billion, nine hundred fifteen million, two hundred twenty thousand, seven hundred eighty".