50121320 has 32 divisors (see below), whose sum is σ = 112988520. Its totient is φ = 20010240.

The previous prime is 50121319. The next prime is 50121343. The reversal of 50121320 is 2312105.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34739236 + 15382084 = 5894^2 + 3922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50121295 and 50121304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30110 + ... + 31730.

Almost surely, 2^50121320 is an apocalyptic number.

It is an amenable number.

50121320 is an abundant number, since it is smaller than the sum of its proper divisors (62867200).

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

50121320 is a wasteful number, since it uses less digits than its factorization.

50121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 50121320 is about 7079.6412338479. The cubic root of 50121320 is about 368.7008736623.

Adding to 50121320 its reverse (2312105), we get a palindrome (52433425).

The spelling of 50121320 in words is "fifty million, one hundred twenty-one thousand, three hundred twenty".