Search a number
-
+
55753481 = 741194263
BaseRepresentation
bin1101010010101…
…1101100001001
310212220120101202
43110223230021
5103233102411
65310553545
71244616410
oct324535411
9125816352
1055753481
1129520463
12168088b5
13b721134
147594477
154d6483b
hex352bb09

55753481 has 8 divisors (see below), whose sum is σ = 65272704. Its totient is φ = 46622880.

The previous prime is 55753471. The next prime is 55753483. The reversal of 55753481 is 18435755.

55753481 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 a de Polignac number, because none of the positive numbers 2k-55753481 is a prime.

It is a super-2 number, since 2×557534812 = 6216901287234722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55753483) 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, 96845 + ... + 97418.

It is an arithmetic number, because the mean of its divisors is an integer number (8159088).

Almost surely, 255753481 is an apocalyptic number.

It is an amenable number.

55753481 is a deficient number, since it is larger than the sum of its proper divisors (9519223).

55753481 is a wasteful number, since it uses less digits than its factorization.

55753481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194311.

The product of its digits is 84000, while the sum is 38.

The square root of 55753481 is about 7466.8253628969. The cubic root of 55753481 is about 382.0240132744.

The spelling of 55753481 in words is "fifty-five million, seven hundred fifty-three thousand, four hundred eighty-one".

Divisors: 1 7 41 287 194263 1359841 7964783 55753481