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55146523 is a prime number
BaseRepresentation
bin1101001001011…
…1100000011011
310211202201210211
43102113200123
5103104142043
65245551551
71236511015
oct322274033
9124681724
1055146523
1129146443
12165755b7
13b56aaa3
1474771b5
154c94a9d
hex349781b

55146523 has 2 divisors, whose sum is σ = 55146524. Its totient is φ = 55146522.

The previous prime is 55146491. The next prime is 55146529. The reversal of 55146523 is 32564155.

55146523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55146523 - 25 = 55146491 is a prime.

It is a super-2 number, since 2×551465232 = 6082277997979058, which contains 22 as substring.

It is equal to p3290458 and since 55146523 and 3290458 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55146529) 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 as a sum of consecutive naturals, namely, 27573261 + 27573262.

It is an arithmetic number, because the mean of its divisors is an integer number (27573262).

Almost surely, 255146523 is an apocalyptic number.

55146523 is a deficient number, since it is larger than the sum of its proper divisors (1).

55146523 is an equidigital number, since it uses as much as digits as its factorization.

55146523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 55146523 is about 7426.0704952215. The cubic root of 55146523 is about 380.6326557204.

It can be divided in two parts, 551 and 46523, that added together give a palindrome (47074).

The spelling of 55146523 in words is "fifty-five million, one hundred forty-six thousand, five hundred twenty-three".