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55232404261 is a prime number
BaseRepresentation
bin110011011100000110…
…111001101100100101
312021120020111211220021
4303130012321230211
51401103443414021
641212354035141
73663465455446
oct633406715445
9167506454807
1055232404261
11214732858a1
12a855278ab1
135292ac0018
14295d60b2cd
151683e06c41
hexcdc1b9b25

55232404261 has 2 divisors, whose sum is σ = 55232404262. Its totient is φ = 55232404260.

The previous prime is 55232404243. The next prime is 55232404301. The reversal of 55232404261 is 16240423255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53046841761 + 2185562500 = 230319^2 + 46750^2 .

It is a cyclic number.

It is not a de Polignac number, because 55232404261 - 211 = 55232402213 is a prime.

It is a super-2 number, since 2×552324042612 (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 (55232404061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616202130 + 27616202131.

It is an arithmetic number, because the mean of its divisors is an integer number (27616202131).

Almost surely, 255232404261 is an apocalyptic number.

It is an amenable number.

55232404261 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232404261 is an equidigital number, since it uses as much as digits as its factorization.

55232404261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 55232404261 in words is "fifty-five billion, two hundred thirty-two million, four hundred four thousand, two hundred sixty-one".