Search a number
-
+
55124105 = 511024821
BaseRepresentation
bin1101001001001…
…0000010001001
310211201121001112
43102102002021
5103102432410
65245300105
71236355451
oct322220211
9124647045
1055124105
1129130613
1216564635
13b56081a
14746cd61
154c8d105
hex3492089

55124105 has 4 divisors (see below), whose sum is σ = 66148932. Its totient is φ = 44099280.

The previous prime is 55124089. The next prime is 55124129. The reversal of 55124105 is 50142155.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29560969 + 25563136 = 5437^2 + 5056^2 .

It is not a de Polignac number, because 55124105 - 24 = 55124089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5512406 + ... + 5512415.

It is an arithmetic number, because the mean of its divisors is an integer number (16537233).

Almost surely, 255124105 is an apocalyptic number.

It is an amenable number.

55124105 is a deficient number, since it is larger than the sum of its proper divisors (11024827).

55124105 is a wasteful number, since it uses less digits than its factorization.

55124105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024826.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55124105 is about 7424.5609297789. The cubic root of 55124105 is about 380.5810708458.

The spelling of 55124105 in words is "fifty-five million, one hundred twenty-four thousand, one hundred five".

Divisors: 1 5 11024821 55124105