51495 has 8 divisors (see below), whose sum is σ = 82416.
Its totient is φ = 27456.
The previous prime is 51487. The next prime is 51503. The reversal of 51495 is 59415.
51495 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (51487) and next prime (51503).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 51495 - 23 = 51487 is a prime.
It is a plaindrome in base 8.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702 + ... + 1731.
It is an arithmetic number, because the mean of its divisors is an integer number (10302).
251495 is an apocalyptic number.
51495 is a deficient number, since it is larger than the sum of its proper divisors (30921).
51495 is a wasteful number, since it uses less digits than its factorization.
51495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3441.
The product of its digits is 900, while the sum is 24.
The square root of 51495 is about 226.9250977746.
The cubic root of 51495 is about 37.2038902164.
The spelling of 51495 in words is "fifty-one thousand, four hundred ninety-five".