Search a number
-
+
54869057 is a prime number
BaseRepresentation
bin1101000101001…
…1110001000001
310211020122012022
43101103301001
5103021302212
65240011225
71234244045
oct321236101
9124218168
1054869057
1128a76a31
1216460b15
13b4a16c9
147404025
154c3c772
hex3453c41

54869057 has 2 divisors, whose sum is σ = 54869058. Its totient is φ = 54869056.

The previous prime is 54869051. The next prime is 54869077. The reversal of 54869057 is 75096845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51394561 + 3474496 = 7169^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 54869057 - 24 = 54869041 is a prime.

It is a super-2 number, since 2×548690572 = 6021226832138498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54868999 and 54869017.

It is not a weakly prime, because it can be changed into another prime (54869051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27434528 + 27434529.

It is an arithmetic number, because the mean of its divisors is an integer number (27434529).

Almost surely, 254869057 is an apocalyptic number.

It is an amenable number.

54869057 is a deficient number, since it is larger than the sum of its proper divisors (1).

54869057 is an equidigital number, since it uses as much as digits as its factorization.

54869057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 54869057 is about 7407.3650510826. The cubic root of 54869057 is about 379.9932062497.

The spelling of 54869057 in words is "fifty-four million, eight hundred sixty-nine thousand, fifty-seven".