50121565615220 has 48 divisors (see below), whose sum is σ = 114936633806400. Its totient is φ = 18208137592320.

The previous prime is 50121565615201. The next prime is 50121565615249. The reversal of 50121565615220 is 2251656512105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111564485 + ... + 112012844.

It is an arithmetic number, because the mean of its divisors is an integer number (2394513204300).

Almost surely, 2^{50121565615220} is an apocalyptic number.

It is an amenable number.

50121565615220 is an abundant number, since it is smaller than the sum of its proper divisors (64815068191180).

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

50121565615220 is a wasteful number, since it uses less digits than its factorization.

50121565615220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223578368 (or 223578366 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 50121565615220 in words is "fifty trillion, one hundred twenty-one billion, five hundred sixty-five million, six hundred fifteen thousand, two hundred twenty".