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554848961 is a prime number
BaseRepresentation
bin100001000100100…
…101001011000001
31102200001020200112
4201010211023001
52114020131321
6131020201105
716515065312
oct4104451301
91380036615
10554848961
1126521a267
12135999195
138ac4a5c4
1453992609
1533a9ea5b
hex211252c1

554848961 has 2 divisors, whose sum is σ = 554848962. Its totient is φ = 554848960.

The previous prime is 554848939. The next prime is 554848969. The reversal of 554848961 is 169848455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291760561 + 263088400 = 17081^2 + 16220^2 .

It is a cyclic number.

It is not a de Polignac number, because 554848961 - 26 = 554848897 is a prime.

It is not a weakly prime, because it can be changed into another prime (554848969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277424480 + 277424481.

It is an arithmetic number, because the mean of its divisors is an integer number (277424481).

Almost surely, 2554848961 is an apocalyptic number.

It is an amenable number.

554848961 is a deficient number, since it is larger than the sum of its proper divisors (1).

554848961 is an equidigital number, since it uses as much as digits as its factorization.

554848961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 50.

The square root of 554848961 is about 23555.2321364066. The cubic root of 554848961 is about 821.7220211757.

The spelling of 554848961 in words is "five hundred fifty-four million, eight hundred forty-eight thousand, nine hundred sixty-one".