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55027533 = 311313781
BaseRepresentation
bin1101000111101…
…0011101001101
310211112200120210
43101322131031
5103041340113
65243233033
71235504061
oct321723515
9124480523
1055027533
1129075000
1216518779
13b528892
147445aa1
154c6e6c3
hex347a74d

55027533 has 16 divisors (see below), whose sum is σ = 80707392. Its totient is φ = 33347600.

The previous prime is 55027517. The next prime is 55027537. The reversal of 55027533 is 33572055.

It is not a de Polignac number, because 55027533 - 24 = 55027517 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55027533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2898 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (5044212).

Almost surely, 255027533 is an apocalyptic number.

It is an amenable number.

55027533 is a deficient number, since it is larger than the sum of its proper divisors (25679859).

55027533 is a wasteful number, since it uses less digits than its factorization.

55027533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817 (or 13795 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55027533 is about 7418.0545293224. The cubic root of 55027533 is about 380.3586940900.

Adding to 55027533 its reverse (33572055), we get a palindrome (88599588).

The spelling of 55027533 in words is "fifty-five million, twenty-seven thousand, five hundred thirty-three".

Divisors: 1 3 11 33 121 363 1331 3993 13781 41343 151591 454773 1667501 5002503 18342511 55027533