Search a number
-
+
53444081 is a prime number
BaseRepresentation
bin1100101111011…
…1110111110001
310201120020111102
43023313313301
5102140202311
65145254145
71216160435
oct313676761
9121506442
1053444081
1128193369
1215a94355
13b0c2c22
1471529c5
154a5a43b
hex32f7df1

53444081 has 2 divisors, whose sum is σ = 53444082. Its totient is φ = 53444080.

The previous prime is 53444063. The next prime is 53444099. The reversal of 53444081 is 18044435.

It is a balanced prime because it is at equal distance from previous prime (53444063) and next prime (53444099).

It can be written as a sum of positive squares in only one way, i.e., 49773025 + 3671056 = 7055^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 53444081 - 218 = 53181937 is a prime.

It is a super-2 number, since 2×534440812 = 5712539587869122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53444011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26722040 + 26722041.

It is an arithmetic number, because the mean of its divisors is an integer number (26722041).

Almost surely, 253444081 is an apocalyptic number.

It is an amenable number.

53444081 is a deficient number, since it is larger than the sum of its proper divisors (1).

53444081 is an equidigital number, since it uses as much as digits as its factorization.

53444081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 53444081 is about 7310.5458756511. The cubic root of 53444081 is about 376.6747752799.

The spelling of 53444081 in words is "fifty-three million, four hundred forty-four thousand, eighty-one".