Search a number
-
+
55403107 = 193194063
BaseRepresentation
bin1101001101011…
…0001001100011
310212020202202221
43103112021203
5103140344412
65255251511
71241630044
oct323261143
9125222687
1055403107
11293011a1
1216679b97
13b62a806
1475028cb
154ce5b07
hex34d6263

55403107 has 8 divisors (see below), whose sum is σ = 60200960. Its totient is φ = 50793480.

The previous prime is 55403099. The next prime is 55403129. The reversal of 55403107 is 70130455.

55403107 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 55403107 - 23 = 55403099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55403147) 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, 46443 + ... + 47620.

It is an arithmetic number, because the mean of its divisors is an integer number (7525120).

Almost surely, 255403107 is an apocalyptic number.

55403107 is a deficient number, since it is larger than the sum of its proper divisors (4797853).

55403107 is a wasteful number, since it uses less digits than its factorization.

55403107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94113.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55403107 is about 7443.3263397489. The cubic root of 55403107 is about 381.2220743856. Note that the first 3 decimals are identical.

The spelling of 55403107 in words is "fifty-five million, four hundred three thousand, one hundred seven".

Divisors: 1 19 31 589 94063 1787197 2915953 55403107