50445621330 has 128 divisors (see below), whose sum is σ = 138934268928. Its totient is φ = 11612270592.

The previous prime is 50445621323. The next prime is 50445621337. The reversal of 50445621330 is 3312654405.

It is an interprime number because it is at equal distance from previous prime (50445621323) and next prime (50445621337).

It is a super-2 number, since 2×50445621330² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50445621291 and 50445621300.

It is not an unprimeable number, because it can be changed into a prime (50445621337) 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 63 ways as a sum of consecutive naturals, for example, 1016679 + ... + 1065141.

It is an arithmetic number, because the mean of its divisors is an integer number (1085423976).

Almost surely, 2^50445621330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50445621330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69467134464).

50445621330 is an abundant number, since it is smaller than the sum of its proper divisors (88488647598).

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

50445621330 is a wasteful number, since it uses less digits than its factorization.

50445621330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48660.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 50445621330 in words is "fifty billion, four hundred forty-five million, six hundred twenty-one thousand, three hundred thirty".