51480423 has 12 divisors (see below), whose sum is σ = 76925160. Its totient is φ = 33136656.

The previous prime is 51480419. The next prime is 51480433. The reversal of 51480423 is 32408415.

51480423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51480423 - 2² = 51480419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51480433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98361 + ... + 98882.

It is an arithmetic number, because the mean of its divisors is an integer number (6410430).

Almost surely, 2^51480423 is an apocalyptic number.

51480423 is a deficient number, since it is larger than the sum of its proper divisors (25444737).

51480423 is a wasteful number, since it uses less digits than its factorization.

51480423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197278 (or 197275 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 51480423 is about 7174.9859233311. The cubic root of 51480423 is about 372.0037937525.

Adding to 51480423 its reverse (32408415), we get a palindrome (83888838).

The spelling of 51480423 in words is "fifty-one million, four hundred eighty thousand, four hundred twenty-three".