Search a number
-
+
56495129 is a prime number
BaseRepresentation
bin1101011110000…
…0110000011001
310221022020202012
43113200300121
5103430321004
65334515305
71254125555
oct327406031
9127266665
1056495129
1129987699
1216b05b35
13b920892
147708865
154e5e46e
hex35e0c19

56495129 has 2 divisors, whose sum is σ = 56495130. Its totient is φ = 56495128.

The previous prime is 56495093. The next prime is 56495143. The reversal of 56495129 is 92159465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30250000 + 26245129 = 5500^2 + 5123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56495129 is a prime.

It is not a weakly prime, because it can be changed into another prime (56495629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28247564 + 28247565.

It is an arithmetic number, because the mean of its divisors is an integer number (28247565).

Almost surely, 256495129 is an apocalyptic number.

It is an amenable number.

56495129 is a deficient number, since it is larger than the sum of its proper divisors (1).

56495129 is an equidigital number, since it uses as much as digits as its factorization.

56495129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 56495129 is about 7516.3241681024. The cubic root of 56495129 is about 383.7104864407.

The spelling of 56495129 in words is "fifty-six million, four hundred ninety-five thousand, one hundred twenty-nine".