Search a number
-
+
55084613 = 311776923
BaseRepresentation
bin1101001000100…
…0011001000101
310211122120212212
43102020121011
5103100201423
65244353205
71236132353
oct322103105
9124576785
1055084613
1129103981
1216545805
13b54885c
14745c7d3
154c81578
hex3488645

55084613 has 4 divisors (see below), whose sum is σ = 56861568. Its totient is φ = 53307660.

The previous prime is 55084597. The next prime is 55084621. The reversal of 55084613 is 31648055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55084613 - 24 = 55084597 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 55084613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55089613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888431 + ... + 888492.

It is an arithmetic number, because the mean of its divisors is an integer number (14215392).

Almost surely, 255084613 is an apocalyptic number.

It is an amenable number.

55084613 is a deficient number, since it is larger than the sum of its proper divisors (1776955).

55084613 is a wasteful number, since it uses less digits than its factorization.

55084613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776954.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55084613 is about 7421.9009020601. The cubic root of 55084613 is about 380.4901638623.

The spelling of 55084613 in words is "fifty-five million, eighty-four thousand, six hundred thirteen".

Divisors: 1 31 1776923 55084613