Search a number
-
+
55373902237 is a prime number
BaseRepresentation
bin110011100100100010…
…101011000110011101
312021221002202200122001
4303210202223012131
51401401204332422
641234410522301
74000134255133
oct634442530635
9167832680561
1055373902237
1121536140375
12a894736391
1352b6203134
142974321753
151691557227
hexce48ab19d

55373902237 has 2 divisors, whose sum is σ = 55373902238. Its totient is φ = 55373902236.

The previous prime is 55373902201. The next prime is 55373902247. The reversal of 55373902237 is 73220937355.

55373902237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35439568516 + 19934333721 = 188254^2 + 141189^2 .

It is a cyclic number.

It is not a de Polignac number, because 55373902237 - 27 = 55373902109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55373902247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27686951118 + 27686951119.

It is an arithmetic number, because the mean of its divisors is an integer number (27686951119).

Almost surely, 255373902237 is an apocalyptic number.

It is an amenable number.

55373902237 is a deficient number, since it is larger than the sum of its proper divisors (1).

55373902237 is an equidigital number, since it uses as much as digits as its factorization.

55373902237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 46.

The spelling of 55373902237 in words is "fifty-five billion, three hundred seventy-three million, nine hundred two thousand, two hundred thirty-seven".