Search a number
-
+
55014021 = 3220632963
BaseRepresentation
bin1101000111011…
…1001010000101
310211112000001100
43101313022011
5103040422041
65243050313
71235416506
oct321671205
9124460040
1055014021
1129065937
1216510999
13b52269a
147440bad
154c6a6b6
hex3477285

55014021 has 12 divisors (see below), whose sum is σ = 79530048. Its totient is φ = 36645864.

The previous prime is 55013983. The next prime is 55014049. The reversal of 55014021 is 12041055.

55014021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55014021 - 29 = 55013509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55013985 and 55014003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55014121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17086 + ... + 20048.

It is an arithmetic number, because the mean of its divisors is an integer number (6627504).

Almost surely, 255014021 is an apocalyptic number.

It is an amenable number.

55014021 is a deficient number, since it is larger than the sum of its proper divisors (24516027).

55014021 is a wasteful number, since it uses less digits than its factorization.

55014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 55014021 is about 7417.1437224851. The cubic root of 55014021 is about 380.3275592071.

Adding to 55014021 its reverse (12041055), we get a palindrome (67055076).

The spelling of 55014021 in words is "fifty-five million, fourteen thousand, twenty-one".

Divisors: 1 3 9 2063 2963 6189 8889 18567 26667 6112669 18338007 55014021