Search a number
-
+
55027020 = 2235917117
BaseRepresentation
bin1101000111101…
…0010101001100
310211112122212210
43101322111030
5103041331040
65243230420
71235502426
oct321722514
9124478783
1055027020
1129074684
1216518410
13b528589
147445816
154c6e480
hex347a54c

55027020 has 24 divisors (see below), whose sum is σ = 154075824. Its totient is φ = 14673856.

The previous prime is 55027013. The next prime is 55027031. The reversal of 55027020 is 2072055.

55027020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458499 + ... + 458618.

It is an arithmetic number, because the mean of its divisors is an integer number (6419826).

Almost surely, 255027020 is an apocalyptic number.

It is an amenable number.

55027020 is an abundant number, since it is smaller than the sum of its proper divisors (99048804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55027020 is a wasteful number, since it uses less digits than its factorization.

55027020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917129 (or 917127 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 55027020 is about 7418.0199514426. The cubic root of 55027020 is about 380.3575121083.

Adding to 55027020 its reverse (2072055), we get a palindrome (57099075).

The spelling of 55027020 in words is "fifty-five million, twenty-seven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 917117 1834234 2751351 3668468 4585585 5502702 9171170 11005404 13756755 18342340 27513510 55027020