50561100098 has 4 divisors (see below), whose sum is σ = 75841650150. Its totient is φ = 25280550048.

The previous prime is 50561100071. The next prime is 50561100151. The reversal of 50561100098 is 89000116505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89000116505 = 5 ⋅17800023301.

It can be written as a sum of positive squares in only one way, i.e., 49038773809 + 1522326289 = 221447^2 + 39017^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640275023 + ... + 12640275026.

Almost surely, 2^50561100098 is an apocalyptic number.

50561100098 is a deficient number, since it is larger than the sum of its proper divisors (25280550052).

50561100098 is a wasteful number, since it uses less digits than its factorization.

50561100098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280550051.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 50561100098 in words is "fifty billion, five hundred sixty-one million, one hundred thousand, ninety-eight".