Search a number
-
+
56342501 is a prime number
BaseRepresentation
bin1101011011101…
…1011111100101
310221000111101022
43112323133211
5103410430001
65331340525
71252621565
oct326733745
9127014338
1056342501
1129892a56
1216a51745
13b899277
1476a8da5
154e2e11b
hex35bb7e5

56342501 has 2 divisors, whose sum is σ = 56342502. Its totient is φ = 56342500.

The previous prime is 56342477. The next prime is 56342509. The reversal of 56342501 is 10524365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33292900 + 23049601 = 5770^2 + 4801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56342501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56342509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28171250 + 28171251.

It is an arithmetic number, because the mean of its divisors is an integer number (28171251).

Almost surely, 256342501 is an apocalyptic number.

It is an amenable number.

56342501 is a deficient number, since it is larger than the sum of its proper divisors (1).

56342501 is an equidigital number, since it uses as much as digits as its factorization.

56342501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56342501 is about 7506.1642001757. The cubic root of 56342501 is about 383.3646289929.

Adding to 56342501 its reverse (10524365), we get a palindrome (66866866).

The spelling of 56342501 in words is "fifty-six million, three hundred forty-two thousand, five hundred one".