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5554891 = 23241517
BaseRepresentation
bin10101001100001011001011
3101110012212201
4111030023023
52410224031
6315021031
765134006
oct25141313
911405781
105554891
113154521
121a3a777
1311c6524
14a4853d
1574ad61
hex54c2cb

5554891 has 4 divisors (see below), whose sum is σ = 5796432. Its totient is φ = 5313352.

The previous prime is 5554889. The next prime is 5554919. The reversal of 5554891 is 1984555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5554891 - 21 = 5554889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5554891.

It is not an unprimeable number, because it can be changed into a prime (5554831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120736 + ... + 120781.

It is an arithmetic number, because the mean of its divisors is an integer number (1449108).

Almost surely, 25554891 is an apocalyptic number.

5554891 is a deficient number, since it is larger than the sum of its proper divisors (241541).

5554891 is a wasteful number, since it uses less digits than its factorization.

5554891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241540.

The product of its digits is 36000, while the sum is 37.

The square root of 5554891 is about 2356.8816262172. The cubic root of 5554891 is about 177.1026992923.

It can be divided in two parts, 55 and 54891, that added together give a triangular number (54946 = T331).

The spelling of 5554891 in words is "five million, five hundred fifty-four thousand, eight hundred ninety-one".

Divisors: 1 23 241517 5554891