Search a number
-
+
55150325 = 525693877
BaseRepresentation
bin1101001001100…
…0011011110101
310211202221000122
43102120123311
5103104302300
65250021325
71236525056
oct322303365
9124687018
1055150325
112914928a
1216577845
13b56c739
14747872d
154c95c85
hex34986f5

55150325 has 12 divisors (see below), whose sum is σ = 68524260. Its totient is φ = 44031360.

The previous prime is 55150321. The next prime is 55150327. The reversal of 55150325 is 52305155.

It can be written as a sum of positive squares in 6 ways, for example, as 10608049 + 44542276 = 3257^2 + 6674^2 .

It is not a de Polignac number, because 55150325 - 22 = 55150321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55150294 and 55150303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12287 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (5710355).

Almost surely, 255150325 is an apocalyptic number.

It is an amenable number.

55150325 is a deficient number, since it is larger than the sum of its proper divisors (13373935).

55150325 is a wasteful number, since it uses less digits than its factorization.

55150325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55150325 is about 7426.3264808383. The cubic root of 55150325 is about 380.6414029149.

The spelling of 55150325 in words is "fifty-five million, one hundred fifty thousand, three hundred twenty-five".

Divisors: 1 5 25 569 2845 3877 14225 19385 96925 2206013 11030065 55150325