Search a number
-
+
55035257 is a prime number
BaseRepresentation
bin1101000111110…
…0010101111001
310211120002011212
43101330111321
5103042112012
65243332505
71235535434
oct321742571
9124502155
1055035257
112907a892
1216521135
13b52c254
14744881b
154c71b22
hex347c579

55035257 has 2 divisors, whose sum is σ = 55035258. Its totient is φ = 55035256.

The previous prime is 55035193. The next prime is 55035263. The reversal of 55035257 is 75253055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49294441 + 5740816 = 7021^2 + 2396^2 .

It is a cyclic number.

It is not a de Polignac number, because 55035257 - 26 = 55035193 is a prime.

It is a super-4 number, since 4×550352574 (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55035287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27517628 + 27517629.

It is an arithmetic number, because the mean of its divisors is an integer number (27517629).

Almost surely, 255035257 is an apocalyptic number.

It is an amenable number.

55035257 is a deficient number, since it is larger than the sum of its proper divisors (1).

55035257 is an equidigital number, since it uses as much as digits as its factorization.

55035257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 55035257 is about 7418.5751327327. The cubic root of 55035257 is about 380.3764897458.

The spelling of 55035257 in words is "fifty-five million, thirty-five thousand, two hundred fifty-seven".