Search a number
-
+
55093975 = 523171089
BaseRepresentation
bin1101001000101…
…0101011010111
310211200001201121
43102022223113
5103101001400
65244504411
71236201556
oct322125327
9124601647
1055093975
112910aa12
121654b107
13b54cbb1
147461d9d
154c8421a
hex348aad7

55093975 has 12 divisors (see below), whose sum is σ = 70521280. Its totient is φ = 42652800.

The previous prime is 55093967. The next prime is 55093981. The reversal of 55093975 is 57939055.

It is not a de Polignac number, because 55093975 - 23 = 55093967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34770 + ... + 36319.

Almost surely, 255093975 is an apocalyptic number.

55093975 is a deficient number, since it is larger than the sum of its proper divisors (15427305).

55093975 is a wasteful number, since it uses less digits than its factorization.

55093975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71130 (or 71125 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 55093975 is about 7422.5315762211. The cubic root of 55093975 is about 380.5117182610.

The spelling of 55093975 in words is "fifty-five million, ninety-three thousand, nine hundred seventy-five".

Divisors: 1 5 25 31 155 775 71089 355445 1777225 2203759 11018795 55093975