51984501 has 8 divisors (see below), whose sum is σ = 71702880. Its totient is φ = 33461232.

The previous prime is 51984497. The next prime is 51984503. The reversal of 51984501 is 10548915.

51984501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51984501 - 2² = 51984497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51984503) 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 7 ways as a sum of consecutive naturals, for example, 298675 + ... + 298848.

It is an arithmetic number, because the mean of its divisors is an integer number (8962860).

Almost surely, 2^51984501 is an apocalyptic number.

It is an amenable number.

51984501 is a deficient number, since it is larger than the sum of its proper divisors (19718379).

51984501 is a wasteful number, since it uses less digits than its factorization.

51984501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597555.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 51984501 is about 7210.0278085455. The cubic root of 51984501 is about 373.2140285414.

The spelling of 51984501 in words is "fifty-one million, nine hundred eighty-four thousand, five hundred one".