Search a number
-
+
54886393 is a prime number
BaseRepresentation
bin1101000101011…
…1111111111001
310211021111222101
43101113333321
5103022331033
65240223401
71234345432
oct321277771
9124244871
1054886393
1128a88a61
121646ab61
13b4a9573
14740a489
154c4297d
hex3457ff9

54886393 has 2 divisors, whose sum is σ = 54886394. Its totient is φ = 54886392.

The previous prime is 54886327. The next prime is 54886409. The reversal of 54886393 is 39368845.

54886393 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49674304 + 5212089 = 7048^2 + 2283^2 .

It is a cyclic number.

It is not a de Polignac number, because 54886393 - 29 = 54885881 is a prime.

It is a super-2 number, since 2×548863932 = 6025032273100898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54886093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27443196 + 27443197.

It is an arithmetic number, because the mean of its divisors is an integer number (27443197).

Almost surely, 254886393 is an apocalyptic number.

It is an amenable number.

54886393 is a deficient number, since it is larger than the sum of its proper divisors (1).

54886393 is an equidigital number, since it uses as much as digits as its factorization.

54886393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 54886393 is about 7408.5351453577. The cubic root of 54886393 is about 380.0332219339.

It can be divided in two parts, 5488 and 6393, that added together give a square (11881 = 1092).

The spelling of 54886393 in words is "fifty-four million, eight hundred eighty-six thousand, three hundred ninety-three".