51290829 has 12 divisors (see below), whose sum is σ = 75025600. Its totient is φ = 33760584.

The previous prime is 51290809. The next prime is 51290831. The reversal of 51290829 is 92809215.

51290829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51290829 - 2²⁰ = 50242253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51290793 and 51290802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51290809) 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 11 ways as a sum of consecutive naturals, for example, 35359 + ... + 36780.

Almost surely, 2^51290829 is an apocalyptic number.

It is an amenable number.

51290829 is a deficient number, since it is larger than the sum of its proper divisors (23734771).

51290829 is a wasteful number, since it uses less digits than its factorization.

51290829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72224 (or 72221 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 51290829 is about 7161.7615849734. The cubic root of 51290829 is about 371.5465555517.

The spelling of 51290829 in words is "fifty-one million, two hundred ninety thousand, eight hundred twenty-nine".