Search a number
-
+
55382893 is a prime number
BaseRepresentation
bin1101001101000…
…1001101101101
310212012202001021
43103101031231
5103134223033
65255014141
71241514106
oct323211555
9125182037
1055382893
1129297a95
121666a351
13b621557
1474d93ad
154cdeb2d
hex34d136d

55382893 has 2 divisors, whose sum is σ = 55382894. Its totient is φ = 55382892.

The previous prime is 55382881. The next prime is 55382897. The reversal of 55382893 is 39828355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 59049 = 7438^2 + 243^2 .

It is a cyclic number.

It is not a de Polignac number, because 55382893 - 25 = 55382861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55382897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27691446 + 27691447.

It is an arithmetic number, because the mean of its divisors is an integer number (27691447).

Almost surely, 255382893 is an apocalyptic number.

It is an amenable number.

55382893 is a deficient number, since it is larger than the sum of its proper divisors (1).

55382893 is an equidigital number, since it uses as much as digits as its factorization.

55382893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 55382893 is about 7441.9683552136. The cubic root of 55382893 is about 381.1757053833.

The spelling of 55382893 in words is "fifty-five million, three hundred eighty-two thousand, eight hundred ninety-three".