51495829 has 16 divisors (see below), whose sum is σ = 64512000. Its totient is φ = 39933360.

The previous prime is 51495817. The next prime is 51495859. The reversal of 51495829 is 92859415.

It is a cyclic number.

It is not a de Polignac number, because 51495829 - 2⁵ = 51495797 is a prime.

Its product of digits (129600) is a multiple of the sum of its prime divisors (3240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51495859) 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, 15672 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^51495829 is an apocalyptic number.

It is an amenable number.

51495829 is a deficient number, since it is larger than the sum of its proper divisors (13016171).

51495829 is a wasteful number, since it uses less digits than its factorization.

51495829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240.

The product of its digits is 129600, while the sum is 43.

The square root of 51495829 is about 7176.0594339791. The cubic root of 51495829 is about 372.0408985943.

The spelling of 51495829 in words is "fifty-one million, four hundred ninety-five thousand, eight hundred twenty-nine".