51605034 has 16 divisors (see below), whose sum is σ = 111149472. Its totient is φ = 15878448.

The previous prime is 51605017. The next prime is 51605039. The reversal of 51605034 is 43050615.

51605034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51604995 and 51605013.

It is not an unprimeable number, because it can be changed into a prime (51605039) 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, 330724 + ... + 330879.

It is an arithmetic number, because the mean of its divisors is an integer number (6946842).

Almost surely, 2^51605034 is an apocalyptic number.

51605034 is an abundant number, since it is smaller than the sum of its proper divisors (59544438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51605034 is a wasteful number, since it uses less digits than its factorization.

51605034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661621.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51605034 is about 7183.6643852563. The cubic root of 51605034 is about 372.3037033109.

Adding to 51605034 its reverse (43050615), we get a palindrome (94655649).

The spelling of 51605034 in words is "fifty-one million, six hundred five thousand, thirty-four".