50198402500 has 45 divisors (see below), whose sum is σ = 109798369681. Its totient is φ = 20074880000.

The previous prime is 50198402483. The next prime is 50198402503. The reversal of 50198402500 is 520489105.

The square root of 50198402500 is 224050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 24151024836 + 26047377664 = 155406^2 + 161392^2 .

It is a super-2 number, since 2×50198402500² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50198402503) by changing a digit.

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 in 14 ways as a sum of consecutive naturals, for example, 11200260 + ... + 11204740.

Almost surely, 2^50198402500 is an apocalyptic number.

50198402500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50198402500 is the 224050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50198402500

50198402500 is an abundant number, since it is smaller than the sum of its proper divisors (59599967181).

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

50198402500 is an frugal number, since it uses more digits than its factorization.

50198402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

Multiplying 50198402500 by its product of nonzero digits (14400), we get a square (722856996000000 = 26886000²).

The spelling of 50198402500 in words is "fifty billion, one hundred ninety-eight million, four hundred two thousand, five hundred".