50081430 has 128 divisors (see below), whose sum is σ = 145612800. Its totient is φ = 11007360.

The previous prime is 50081417. The next prime is 50081441. The reversal of 50081430 is 3418005.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 50081397 and 50081406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 318912 + ... + 319068.

It is an arithmetic number, because the mean of its divisors is an integer number (1137600).

Almost surely, 2^50081430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50081430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72806400).

50081430 is an abundant number, since it is smaller than the sum of its proper divisors (95531370).

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

50081430 is a wasteful number, since it uses less digits than its factorization.

50081430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 50081430 is about 7076.8234399340. The cubic root of 50081430 is about 368.6030351822.

Adding to 50081430 its reverse (3418005), we get a palindrome (53499435).

The spelling of 50081430 in words is "fifty million, eighty-one thousand, four hundred thirty".