Search a number
-
+
55047101 is a prime number
BaseRepresentation
bin1101000111111…
…1001110111101
310211120200102112
43101333032331
5103043001401
65243503405
71235615114
oct321771675
9124520375
1055047101
112908877a
1216527b65
13b534765
14744cc7b
154c753bb
hex347f3bd

55047101 has 2 divisors, whose sum is σ = 55047102. Its totient is φ = 55047100.

The previous prime is 55047079. The next prime is 55047107. The reversal of 55047101 is 10174055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 21996100 = 5749^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 55047101 - 210 = 55046077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55047107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27523550 + 27523551.

It is an arithmetic number, because the mean of its divisors is an integer number (27523551).

Almost surely, 255047101 is an apocalyptic number.

It is an amenable number.

55047101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55047101 is an equidigital number, since it uses as much as digits as its factorization.

55047101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 55047101 is about 7419.3733562883. The cubic root of 55047101 is about 380.4037744129.

The spelling of 55047101 in words is "fifty-five million, forty-seven thousand, one hundred one".