Search a number
-
+
55405153 = 3117310331
BaseRepresentation
bin1101001101011…
…0101001100001
310212020212120201
43103112221201
5103140431103
65255305201
71241636026
oct323265141
9125225521
1055405153
1129302791
121667b201
13b62b71b
14750354d
154ce651d
hex34d6a61

55405153 has 8 divisors (see below), whose sum is σ = 57528576. Its totient is φ = 53302800.

The previous prime is 55405127. The next prime is 55405157. The reversal of 55405153 is 35150455.

55405153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55405153 - 217 = 55274081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55405157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (7191072).

Almost surely, 255405153 is an apocalyptic number.

It is an amenable number.

55405153 is a deficient number, since it is larger than the sum of its proper divisors (2123423).

55405153 is a wasteful number, since it uses less digits than its factorization.

55405153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 55405153 is about 7443.4637770328. The cubic root of 55405153 is about 381.2267670873.

The spelling of 55405153 in words is "fifty-five million, four hundred five thousand, one hundred fifty-three".

Divisors: 1 31 173 5363 10331 320261 1787263 55405153