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55134031 is a prime number
BaseRepresentation
bin1101001001010…
…0011101001111
310211202002200011
43102110131033
5103103242111
65245414051
71236426421
oct322243517
9124662604
1055134031
1129138017
121656a327
13b5651b4
147472811
154c91021
hex349474f

55134031 has 2 divisors, whose sum is σ = 55134032. Its totient is φ = 55134030.

The previous prime is 55134019. The next prime is 55134071. The reversal of 55134031 is 13043155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55134031 is a prime.

It is a super-2 number, since 2×551340312 = 6079522748617922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55133993 and 55134011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55134071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567015 + 27567016.

It is an arithmetic number, because the mean of its divisors is an integer number (27567016).

Almost surely, 255134031 is an apocalyptic number.

55134031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55134031 is an equidigital number, since it uses as much as digits as its factorization.

55134031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55134031 is about 7425.2293567270. The cubic root of 55134031 is about 380.6039127646.

Adding to 55134031 its reverse (13043155), we get a palindrome (68177186).

The spelling of 55134031 in words is "fifty-five million, one hundred thirty-four thousand, thirty-one".