51238452 has 24 divisors (see below), whose sum is σ = 121072000. Its totient is φ = 16862976.

The previous prime is 51238417. The next prime is 51238463. The reversal of 51238452 is 25483215.

51238452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26077 + ... + 27972.

Almost surely, 2^51238452 is an apocalyptic number.

It is an amenable number.

51238452 is an abundant number, since it is smaller than the sum of its proper divisors (69833548).

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

51238452 is a wasteful number, since it uses less digits than its factorization.

51238452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54135 (or 54133 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 51238452 is about 7158.1039388933. The cubic root of 51238452 is about 371.4200409143.

The spelling of 51238452 in words is "fifty-one million, two hundred thirty-eight thousand, four hundred fifty-two".