51352994 has 32 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 19855440.

The previous prime is 51352993. The next prime is 51353009. The reversal of 51352994 is 49925315.

51352994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51352993) 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 15 ways as a sum of consecutive naturals, for example, 20207 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^51352994 is an apocalyptic number.

51352994 is a deficient number, since it is larger than the sum of its proper divisors (45415006).

51352994 is a wasteful number, since it uses less digits than its factorization.

51352994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its digits is 48600, while the sum is 38.

The square root of 51352994 is about 7166.1003342125. The cubic root of 51352994 is about 371.6966010017.

The spelling of 51352994 in words is "fifty-one million, three hundred fifty-two thousand, nine hundred ninety-four".