51602 has 4 divisors (see below), whose sum is σ = 77406. Its totient is φ = 25800.

The previous prime is 51599. The next prime is 51607. The reversal of 51602 is 20615.

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., 43681 + 7921 = 209^2 + 89^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (51607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12899 + ... + 12902.

2⁵¹⁶⁰² is an apocalyptic number.

51602 is a deficient number, since it is larger than the sum of its proper divisors (25804).

51602 is a wasteful number, since it uses less digits than its factorization.

51602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25803.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51602 is about 227.1607360439. The cubic root of 51602 is about 37.2296406920.

The spelling of 51602 in words is "fifty-one thousand, six hundred two".