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55301506669 is a prime number
BaseRepresentation
bin110011100000001110…
…100000011001101101
312021202001112121120201
4303200032200121231
51401224141203134
641223303113501
73665265023263
oct634016403155
9167661477521
1055301506669
11214a9293522
12a874442891
1352a4206116
142968878433
15168a006914
hexce03a066d

55301506669 has 2 divisors, whose sum is σ = 55301506670. Its totient is φ = 55301506668.

The previous prime is 55301506643. The next prime is 55301506681. The reversal of 55301506669 is 96660510355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40971022569 + 14330484100 = 202413^2 + 119710^2 .

It is a cyclic number.

It is not a de Polignac number, because 55301506669 - 29 = 55301506157 is a prime.

It is a super-2 number, since 2×553015066692 (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 (55301506069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27650753334 + 27650753335.

It is an arithmetic number, because the mean of its divisors is an integer number (27650753335).

Almost surely, 255301506669 is an apocalyptic number.

It is an amenable number.

55301506669 is a deficient number, since it is larger than the sum of its proper divisors (1).

55301506669 is an equidigital number, since it uses as much as digits as its factorization.

55301506669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 55301506669 in words is "fifty-five billion, three hundred one million, five hundred six thousand, six hundred sixty-nine".