51832621 has 8 divisors (see below), whose sum is σ = 53308800. Its totient is φ = 50376480.

The previous prime is 51832577. The next prime is 51832663. The reversal of 51832621 is 12623815.

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

It is a cyclic number.

It is not a de Polignac number, because 51832621 - 2¹⁷ = 51701549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51832621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51832691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (6663600).

Almost surely, 2^51832621 is an apocalyptic number.

It is an amenable number.

51832621 is a deficient number, since it is larger than the sum of its proper divisors (1476179).

51832621 is an equidigital number, since it uses as much as digits as its factorization.

51832621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its digits is 2880, while the sum is 28.

The square root of 51832621 is about 7199.4875512081. The cubic root of 51832621 is about 372.8502083097.

The spelling of 51832621 in words is "fifty-one million, eight hundred thirty-two thousand, six hundred twenty-one".