51424530090 has 32 divisors (see below), whose sum is σ = 123453348480. Its totient is φ = 13709377344.

The previous prime is 51424530089. The next prime is 51424530097. The reversal of 51424530090 is 9003542415.

51424530090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51424530097) 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, 129405 + ... + 345824.

It is an arithmetic number, because the mean of its divisors is an integer number (3857917140).

Almost surely, 2^51424530090 is an apocalyptic number.

51424530090 is an abundant number, since it is smaller than the sum of its proper divisors (72028818390).

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

51424530090 is a wasteful number, since it uses less digits than its factorization.

51424530090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478846.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 51424530090 in words is "fifty-one billion, four hundred twenty-four million, five hundred thirty thousand, ninety".