Search a number
-
+
55074037 = 61789261
BaseRepresentation
bin1101001000010…
…1110011110101
310211122001101011
43102011303311
5103044332122
65244232221
71236056464
oct322056365
9124561334
1055074037
11290a6a37
121653b671
13b543ab5
1474589db
154c7d377
hex3485cf5

55074037 has 4 divisors (see below), whose sum is σ = 55163916. Its totient is φ = 54984160.

The previous prime is 55074023. The next prime is 55074091. The reversal of 55074037 is 73047055.

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 9186961 + 45887076 = 3031^2 + 6774^2 .

It is a cyclic number.

It is not a de Polignac number, because 55074037 - 215 = 55041269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55074007) 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, 44014 + ... + 45247.

It is an arithmetic number, because the mean of its divisors is an integer number (13790979).

Almost surely, 255074037 is an apocalyptic number.

It is an amenable number.

55074037 is a deficient number, since it is larger than the sum of its proper divisors (89879).

55074037 is an equidigital number, since it uses as much as digits as its factorization.

55074037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89878.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55074037 is about 7421.1883819237. The cubic root of 55074037 is about 380.4658114989.

The spelling of 55074037 in words is "fifty-five million, seventy-four thousand, thirty-seven".

Divisors: 1 617 89261 55074037