51789602 has 4 divisors (see below), whose sum is σ = 77684406. Its totient is φ = 25894800.

The previous prime is 51789589. The next prime is 51789613. The reversal of 51789602 is 20698715.

51789602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 15295921 = 6041^2 + 3911^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12947399 + ... + 12947402.

Almost surely, 2^51789602 is an apocalyptic number.

51789602 is a deficient number, since it is larger than the sum of its proper divisors (25894804).

51789602 is a wasteful number, since it uses less digits than its factorization.

51789602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25894803.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 51789602 is about 7196.4992878482. The cubic root of 51789602 is about 372.7470295118.

The spelling of 51789602 in words is "fifty-one million, seven hundred eighty-nine thousand, six hundred two".