51830464 has 28 divisors (see below), whose sum is σ = 117545104. Its totient is φ = 22212864.

The previous prime is 51830417. The next prime is 51830483. The reversal of 51830464 is 46403815.

It is a happy number.

51830464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

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 3 ways as a sum of consecutive naturals, for example, 57399 + ... + 58294.

Almost surely, 2^51830464 is an apocalyptic number.

It is an amenable number.

51830464 is an abundant number, since it is smaller than the sum of its proper divisors (65714640).

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

51830464 is a wasteful number, since it uses less digits than its factorization.

51830464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115712 (or 115702 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 51830464 is about 7199.3377473209. The cubic root of 51830464 is about 372.8450362189.

The spelling of 51830464 in words is "fifty-one million, eight hundred thirty thousand, four hundred sixty-four".