51053 has 4 divisors (see below), whose sum is σ = 53760.
Its totient is φ = 48348.
The previous prime is 51047. The next prime is 51059. The reversal of 51053 is 35015.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (51047) and next prime (51059).
It is a cyclic number.
It is not a de Polignac number, because 51053 - 26 = 50989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51059) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 1362.
It is an arithmetic number, because the mean of its divisors is an integer number (13440).
251053 is an apocalyptic number.
It is an amenable number.
51053 is a deficient number, since it is larger than the sum of its proper divisors (2707).
51053 is a wasteful number, since it uses less digits than its factorization.
51053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2706.
The product of its (nonzero) digits is 75, while the sum is 14.
The square root of 51053 is about 225.9491093145.
The cubic root of 51053 is about 37.0971394399.
Adding to 51053 its reverse (35015), we get a palindrome (86068).
The spelling of 51053 in words is "fifty-one thousand, fifty-three".