27257706053 has 2 divisors, whose sum is σ = 27257706054. Its totient is φ = 27257706052.

The previous prime is 27257706031. The next prime is 27257706061. The reversal of 27257706053 is 35060775272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26327334049 + 930372004 = 162257^2 + 30502^2 .

It is a cyclic number.

It is not a de Polignac number, because 27257706053 - 2¹⁶ = 27257640517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27257705995 and 27257706013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27257706253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628853026 + 13628853027.

It is an arithmetic number, because the mean of its divisors is an integer number (13628853027).

Almost surely, 2^27257706053 is an apocalyptic number.

It is an amenable number.

27257706053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27257706053 is an equidigital number, since it uses as much as digits as its factorization.

27257706053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 27257706053 in words is "twenty-seven billion, two hundred fifty-seven million, seven hundred six thousand, fifty-three".