51363171 has 24 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 32107776.

The previous prime is 51363161. The next prime is 51363173. The reversal of 51363171 is 17136315.

It is not a de Polignac number, because 51363171 - 2⁶ = 51363107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51363173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59086 + ... + 59948.

It is an arithmetic number, because the mean of its divisors is an integer number (3285360).

Almost surely, 2^51363171 is an apocalyptic number.

51363171 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51363171 is a deficient number, since it is larger than the sum of its proper divisors (27485469).

51363171 is a wasteful number, since it uses less digits than its factorization.

51363171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 51363171 is about 7166.8103784040. The cubic root of 51363171 is about 371.7211533284.

Adding to 51363171 its reverse (17136315), we get a palindrome (68499486).

The spelling of 51363171 in words is "fifty-one million, three hundred sixty-three thousand, one hundred seventy-one".