50549877889 has 9 divisors (see below), whose sum is σ = 58804750017. Its totient is φ = 43327117764.

The previous prime is 50549877877. The next prime is 50549877919. The reversal of 50549877889 is 98877894505.

The square root of 50549877889 is 224833.

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

It is not a de Polignac number, because 50549877889 - 2⁵ = 50549877857 is a prime.

It is a super-2 number, since 2×50549877889² (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 (50549877289) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1557772 + ... + 1589890.

It is an arithmetic number, because the mean of its divisors is an integer number (6533861113).

Almost surely, 2^50549877889 is an apocalyptic number.

50549877889 is the 224833-rd square number.

50549877889 is the 112417-th centered octagonal number.

It is an amenable number.

50549877889 is a deficient number, since it is larger than the sum of its proper divisors (8254872128).

50549877889 is an frugal number, since it uses more digits than its factorization.

50549877889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64252 (or 32126 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 70.

The spelling of 50549877889 in words is "fifty billion, five hundred forty-nine million, eight hundred seventy-seven thousand, eight hundred eighty-nine".