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55124 = 2213781
BaseRepresentation
bin1101011101010100
32210121122
431131110
53230444
61103112
7316466
oct153524
983548
1055124
1138463
1227a98
131c124
1416136
15114ee
hexd754

55124 has 6 divisors (see below), whose sum is σ = 96474. Its totient is φ = 27560.

The previous prime is 55117. The next prime is 55127. The reversal of 55124 is 42155.

It can be written as a sum of positive squares in only one way, i.e., 48400 + 6724 = 220^2 + 82^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55127) by changing a digit.

55124 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6887 + ... + 6894.

It is an arithmetic number, because the mean of its divisors is an integer number (16079).

255124 is an apocalyptic number.

It is an amenable number.

55124 is a deficient number, since it is larger than the sum of its proper divisors (41350).

55124 is a wasteful number, since it uses less digits than its factorization.

55124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13785 (or 13783 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 55124 is about 234.7850080393. The cubic root of 55124 is about 38.0580829203.

Adding to 55124 its reverse (42155), we get a palindrome (97279).

It can be divided in two parts, 551 and 24, that added together give a palindrome (575).

The spelling of 55124 in words is "fifty-five thousand, one hundred twenty-four".

Divisors: 1 2 4 13781 27562 55124