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54231 = 318077
BaseRepresentation
bin1101001111010111
32202101120
431033113
53213411
61055023
7314052
oct151727
982346
1054231
1137821
1227473
131b8b8
1415a99
1511106
hexd3d7

54231 has 4 divisors (see below), whose sum is σ = 72312. Its totient is φ = 36152.

The previous prime is 54217. The next prime is 54251. The reversal of 54231 is 13245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54231 - 26 = 54167 is a prime.

It is a super-2 number, since 2×542312 = 5882002722, which contains 22 as substring.

It is a D-number.

54231 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 54231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9036 + ... + 9041.

It is an arithmetic number, because the mean of its divisors is an integer number (18078).

254231 is an apocalyptic number.

54231 is a deficient number, since it is larger than the sum of its proper divisors (18081).

54231 is a wasteful number, since it uses less digits than its factorization.

54231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18080.

The product of its digits is 120, while the sum is 15.

The square root of 54231 is about 232.8755032201. The cubic root of 54231 is about 37.8514514491.

Adding to 54231 its reverse (13245), we get a palindrome (67476).

The spelling of 54231 in words is "fifty-four thousand, two hundred thirty-one".

Divisors: 1 3 18077 54231