50511423430 has 32 divisors (see below), whose sum is σ = 103067848800. Its totient is φ = 17668772352.

The previous prime is 50511423421. The next prime is 50511423437. The reversal of 50511423430 is 3432411505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511423437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10222515 + ... + 10227454.

It is an arithmetic number, because the mean of its divisors is an integer number (3220870275).

Almost surely, 2^50511423430 is an apocalyptic number.

50511423430 is an abundant number, since it is smaller than the sum of its proper divisors (52556425370).

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

50511423430 is a wasteful number, since it uses less digits than its factorization.

50511423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450008.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 50511423430 its reverse (3432411505), we get a palindrome (53943834935).

The spelling of 50511423430 in words is "fifty billion, five hundred eleven million, four hundred twenty-three thousand, four hundred thirty".