50781430 has 16 divisors (see below), whose sum is σ = 104464800. Its totient is φ = 17410752.

The previous prime is 50781373. The next prime is 50781439. The reversal of 50781430 is 3418705.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50781439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362655 + ... + 362794.

It is an arithmetic number, because the mean of its divisors is an integer number (6529050).

Almost surely, 2^50781430 is an apocalyptic number.

50781430 is an abundant number, since it is smaller than the sum of its proper divisors (53683370).

50781430 is a wasteful number, since it uses less digits than its factorization.

50781430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725463.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50781430 is about 7126.1090364939. The cubic root of 50781430 is about 370.3124460883.

The spelling of 50781430 in words is "fifty million, seven hundred eighty-one thousand, four hundred thirty".