51968829 has 16 divisors (see below), whose sum is σ = 75755520. Its totient is φ = 31427760.

The previous prime is 51968827. The next prime is 51968863. The reversal of 51968829 is 92886915.

It is a happy number.

It is not a de Polignac number, because 51968829 - 2¹ = 51968827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51968827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16612 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (4734720).

Almost surely, 2^51968829 is an apocalyptic number.

It is an amenable number.

51968829 is a deficient number, since it is larger than the sum of its proper divisors (23786691).

51968829 is a wasteful number, since it uses less digits than its factorization.

51968829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440.

The product of its digits is 311040, while the sum is 48.

The square root of 51968829 is about 7208.9409069571. The cubic root of 51968829 is about 373.1765199377.

The spelling of 51968829 in words is "fifty-one million, nine hundred sixty-eight thousand, eight hundred twenty-nine".