50121155450 has 96 divisors (see below), whose sum is σ = 99981993600. Its totient is φ = 18638484480.

The previous prime is 50121155419. The next prime is 50121155467. The reversal of 50121155450 is 5455112105.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11581187 + ... + 11585513.

It is an arithmetic number, because the mean of its divisors is an integer number (1041479100).

Almost surely, 2^50121155450 is an apocalyptic number.

50121155450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50121155450 is a deficient number, since it is larger than the sum of its proper divisors (49860838150).

50121155450 is a wasteful number, since it uses less digits than its factorization.

50121155450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 50121155450 its reverse (5455112105), we get a palindrome (55576267555).

The spelling of 50121155450 in words is "fifty billion, one hundred twenty-one million, one hundred fifty-five thousand, four hundred fifty".