51235929 has 8 divisors (see below), whose sum is σ = 75905120. Its totient is φ = 34157268.

The previous prime is 51235897. The next prime is 51235931. The reversal of 51235929 is 92953215.

It is a happy number.

51235929 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 51235929 - 2⁵ = 51235897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51235893 and 51235902.

It is not an unprimeable number, because it can be changed into a prime (51235949) 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 7 ways as a sum of consecutive naturals, for example, 948787 + ... + 948840.

It is an arithmetic number, because the mean of its divisors is an integer number (9488140).

Almost surely, 2^51235929 is an apocalyptic number.

It is an amenable number.

51235929 is a deficient number, since it is larger than the sum of its proper divisors (24669191).

51235929 is a wasteful number, since it uses less digits than its factorization.

51235929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897636 (or 1897630 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 51235929 is about 7157.9277029040. The cubic root of 51235929 is about 371.4139445283.

The spelling of 51235929 in words is "fifty-one million, two hundred thirty-five thousand, nine hundred twenty-nine".