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55051011061 is a prime number
BaseRepresentation
bin110011010001010010…
…111100001111110101
312021002121012010012121
4303101102330033311
51400221024323221
641142354115541
73656133605344
oct632122741765
9167077163177
1055051011061
112138a951462
12a80457bbb1
13526434bc77
1429434adb5b
151673025a41
hexcd14bc3f5

55051011061 has 2 divisors, whose sum is σ = 55051011062. Its totient is φ = 55051011060.

The previous prime is 55051011049. The next prime is 55051011079. The reversal of 55051011061 is 16011015055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52403908561 + 2647102500 = 228919^2 + 51450^2 .

It is a cyclic number.

It is not a de Polignac number, because 55051011061 - 213 = 55051002869 is a prime.

It is a super-2 number, since 2×550510110612 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55051011461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525505530 + 27525505531.

It is an arithmetic number, because the mean of its divisors is an integer number (27525505531).

Almost surely, 255051011061 is an apocalyptic number.

It is an amenable number.

55051011061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55051011061 is an equidigital number, since it uses as much as digits as its factorization.

55051011061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 55051011061 in words is "fifty-five billion, fifty-one million, eleven thousand, sixty-one".