Search a number
-
+
55552827 = 31119412161
BaseRepresentation
bin1101001111101…
…0101100111011
310212112101011010
43103322230323
5103210142302
65302405003
71243122411
oct323725473
9125471133
1055552827
11293a3730
1216730763
13b6809c5
1475412b1
154d2516c
hex34fab3b

55552827 has 32 divisors (see below), whose sum is σ = 87171840. Its totient is φ = 31104000.

The previous prime is 55552811. The next prime is 55552841. The reversal of 55552827 is 72825555.

It is not a de Polignac number, because 55552827 - 24 = 55552811 is a prime.

It is a super-2 number, since 2×555528272 = 6172233175383858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55552877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24627 + ... + 26787.

It is an arithmetic number, because the mean of its divisors is an integer number (2724120).

Almost surely, 255552827 is an apocalyptic number.

55552827 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55552827 is a deficient number, since it is larger than the sum of its proper divisors (31619013).

55552827 is a wasteful number, since it uses less digits than its factorization.

55552827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its digits is 140000, while the sum is 39.

The square root of 55552827 is about 7453.3768856807. The cubic root of 55552827 is about 381.5651672494.

It can be divided in two parts, 555528 and 27, that added together give a palindrome (555555).

The spelling of 55552827 in words is "fifty-five million, five hundred fifty-two thousand, eight hundred twenty-seven".

Divisors: 1 3 11 19 33 41 57 123 209 451 627 779 1353 2161 2337 6483 8569 23771 25707 41059 71313 88601 123177 265803 451649 974611 1354947 1683419 2923833 5050257 18517609 55552827