275550530077 has 2 divisors, whose sum is σ = 275550530078. Its totient is φ = 275550530076.

The previous prime is 275550530011. The next prime is 275550530111. The reversal of 275550530077 is 770035055572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272853701316 + 2696828761 = 522354^2 + 51931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275550530077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275550530377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137775265038 + 137775265039.

It is an arithmetic number, because the mean of its divisors is an integer number (137775265039).

Almost surely, 2^275550530077 is an apocalyptic number.

It is an amenable number.

275550530077 is a deficient number, since it is larger than the sum of its proper divisors (1).

275550530077 is an equidigital number, since it uses as much as digits as its factorization.

275550530077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1286250, while the sum is 46.

The spelling of 275550530077 in words is "two hundred seventy-five billion, five hundred fifty million, five hundred thirty thousand, seventy-seven".