Search a number
-
+
56266897 is a prime number
BaseRepresentation
bin1101011010100…
…1000010010001
310220212122200011
43112221002101
5103401020042
65325554521
71252155301
oct326510221
9126778604
1056266897
1129841175
1216a15a41
13b870a2b
147689601
154e16a17
hex35a9091

56266897 has 2 divisors, whose sum is σ = 56266898. Its totient is φ = 56266896.

The previous prime is 56266879. The next prime is 56266933. The reversal of 56266897 is 79866265.

It is a happy number.

Together with previous prime (56266879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 16941456 = 6271^2 + 4116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56266897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56266897.

It is not a weakly prime, because it can be changed into another prime (56266807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133448 + 28133449.

It is an arithmetic number, because the mean of its divisors is an integer number (28133449).

Almost surely, 256266897 is an apocalyptic number.

It is an amenable number.

56266897 is a deficient number, since it is larger than the sum of its proper divisors (1).

56266897 is an equidigital number, since it uses as much as digits as its factorization.

56266897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 56266897 is about 7501.1263820842. The cubic root of 56266897 is about 383.1930777795.

The spelling of 56266897 in words is "fifty-six million, two hundred sixty-six thousand, eight hundred ninety-seven".