Search a number
-
+
55788841 is a prime number
BaseRepresentation
bin1101010011010…
…0010100101001
310212222100220101
43110310110221
5103240220331
65311425401
71245124453
oct324642451
9125870811
1055788841
1129544a89
1216825261
13b734264
1475a32d3
154d70061
hex3534529

55788841 has 2 divisors, whose sum is σ = 55788842. Its totient is φ = 55788840.

The previous prime is 55788833. The next prime is 55788853. The reversal of 55788841 is 14888755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36252441 + 19536400 = 6021^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 55788841 - 23 = 55788833 is a prime.

It is a super-2 number, since 2×557888412 = 6224789560246562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55788791 and 55788800.

It is not a weakly prime, because it can be changed into another prime (55788881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27894420 + 27894421.

It is an arithmetic number, because the mean of its divisors is an integer number (27894421).

Almost surely, 255788841 is an apocalyptic number.

It is an amenable number.

55788841 is a deficient number, since it is larger than the sum of its proper divisors (1).

55788841 is an equidigital number, since it uses as much as digits as its factorization.

55788841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 46.

The square root of 55788841 is about 7469.1927944056. The cubic root of 55788841 is about 382.1047586922.

It can be divided in two parts, 557 and 88841, that added together give a palindrome (89398).

The spelling of 55788841 in words is "fifty-five million, seven hundred eighty-eight thousand, eight hundred forty-one".