Search a number
-
+
55546471 is a prime number
BaseRepresentation
bin1101001111100…
…1001001100111
310212112001102201
43103321021213
5103204441341
65302315331
71243065031
oct323711147
9125461381
1055546471
1129399982
1216728b47
13b67ab46
14753cc51
154d23331
hex34f9267

55546471 has 2 divisors, whose sum is σ = 55546472. Its totient is φ = 55546470.

The previous prime is 55546453. The next prime is 55546487. The reversal of 55546471 is 17464555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55546471 - 27 = 55546343 is a prime.

It is a super-3 number, since 3×555464713 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55546471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55546171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27773235 + 27773236.

It is an arithmetic number, because the mean of its divisors is an integer number (27773236).

Almost surely, 255546471 is an apocalyptic number.

55546471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55546471 is an equidigital number, since it uses as much as digits as its factorization.

55546471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 37.

The square root of 55546471 is about 7452.9504895712. The cubic root of 55546471 is about 381.5506146104.

The spelling of 55546471 in words is "fifty-five million, five hundred forty-six thousand, four hundred seventy-one".