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55544113 = 97157203
BaseRepresentation
bin1101001111100…
…0100100110001
310212111221012101
43103320210301
5103204402423
65302300401
71243055122
oct323704461
9125457171
1055544113
1129398129
1216727701
13b679a51
14753c049
154d227ad
hex34f8931

55544113 has 4 divisors (see below), whose sum is σ = 55602288. Its totient is φ = 55485940.

The previous prime is 55544107. The next prime is 55544119. The reversal of 55544113 is 31144555.

55544113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55544107) and next prime (55544119).

It is a cyclic number.

It is not a de Polignac number, because 55544113 - 29 = 55543601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55544119) 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 3 ways as a sum of consecutive naturals, for example, 27631 + ... + 29572.

It is an arithmetic number, because the mean of its divisors is an integer number (13900572).

Almost surely, 255544113 is an apocalyptic number.

It is an amenable number.

55544113 is a deficient number, since it is larger than the sum of its proper divisors (58175).

55544113 is an equidigital number, since it uses as much as digits as its factorization.

55544113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58174.

The product of its digits is 6000, while the sum is 28.

The square root of 55544113 is about 7452.7922955091. The cubic root of 55544113 is about 381.5452154730.

Adding to 55544113 its reverse (31144555), we get a palindrome (86688668).

The spelling of 55544113 in words is "fifty-five million, five hundred forty-four thousand, one hundred thirteen".

Divisors: 1 971 57203 55544113