51602123 has 4 divisors (see below), whose sum is σ = 54637560. Its totient is φ = 48566688.

The previous prime is 51602101. The next prime is 51602137. The reversal of 51602123 is 32120615.

51602123 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, and also an emirpimes, since its reverse is a distinct semiprime: 32120615 = 5 ⋅6424123.

It is not a de Polignac number, because 51602123 - 2⁶ = 51602059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51602095 and 51602104.

It is not an unprimeable number, because it can be changed into a prime (51602143) 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 3 ways as a sum of consecutive naturals, for example, 1517693 + ... + 1517726.

It is an arithmetic number, because the mean of its divisors is an integer number (13659390).

Almost surely, 2^51602123 is an apocalyptic number.

51602123 is a deficient number, since it is larger than the sum of its proper divisors (3035437).

51602123 is a wasteful number, since it uses less digits than its factorization.

51602123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035436.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51602123 is about 7183.4617699268. The cubic root of 51602123 is about 372.2967027248.

Adding to 51602123 its reverse (32120615), we get a palindrome (83722738).

The spelling of 51602123 in words is "fifty-one million, six hundred two thousand, one hundred twenty-three".