50561816350 has 24 divisors (see below), whose sum is σ = 94121989200. Its totient is φ = 20208165120.

The previous prime is 50561816309. The next prime is 50561816359. The reversal of 50561816350 is 5361816505.

It is a super-2 number, since 2×50561816350² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561816359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352275 + ... + 474574.

It is an arithmetic number, because the mean of its divisors is an integer number (3921749550).

Almost surely, 2^50561816350 is an apocalyptic number.

50561816350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50561816350 is a deficient number, since it is larger than the sum of its proper divisors (43560172850).

50561816350 is a wasteful number, since it uses less digits than its factorization.

50561816350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828084 (or 828079 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 50561816350 in words is "fifty billion, five hundred sixty-one million, eight hundred sixteen thousand, three hundred fifty".