50555121010 has 16 divisors (see below), whose sum is σ = 91009904472. Its totient is φ = 20219673600.

The previous prime is 50555120983. The next prime is 50555121011. The reversal of 50555121010 is 1012155505.

It can be written as a sum of positive squares in 4 ways, for example, as 20360150721 + 30194970289 = 142689^2 + 173767^2 .

It is not an unprimeable number, because it can be changed into a prime (50555121011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206121 + ... + 378940.

Almost surely, 2^50555121010 is an apocalyptic number.

50555121010 is a deficient number, since it is larger than the sum of its proper divisors (40454783462).

50555121010 is a wasteful number, since it uses less digits than its factorization.

50555121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593709.

The product of its (nonzero) digits is 1250, while the sum is 25.

Adding to 50555121010 its reverse (1012155505), we get a palindrome (51567276515).

The spelling of 50555121010 in words is "fifty billion, five hundred fifty-five million, one hundred twenty-one thousand, ten".