51329149 has 8 divisors (see below), whose sum is σ = 53268480. Its totient is φ = 49407600.

The previous prime is 51329129. The next prime is 51329153. The reversal of 51329149 is 94192315.

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 51329149 - 2²⁵ = 17774717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51329129) 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, 1587 + ... + 10255.

It is an arithmetic number, because the mean of its divisors is an integer number (6658560).

Almost surely, 2^51329149 is an apocalyptic number.

It is an amenable number.

51329149 is a deficient number, since it is larger than the sum of its proper divisors (1939331).

51329149 is a wasteful number, since it uses less digits than its factorization.

51329149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891.

The product of its digits is 9720, while the sum is 34.

The square root of 51329149 is about 7164.4364049100. The cubic root of 51329149 is about 371.6390614963.

The spelling of 51329149 in words is "fifty-one million, three hundred twenty-nine thousand, one hundred forty-nine".