55000054526257 has 2 divisors, whose sum is σ = 55000054526258. Its totient is φ = 55000054526256.

The previous prime is 55000054526159. The next prime is 55000054526267. The reversal of 55000054526257 is 75262545000055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53201837893681 + 1798216632576 = 7293959^2 + 1340976^2 .

It is a cyclic number.

It is not a de Polignac number, because 55000054526257 - 2³¹ = 54997907042609 is a prime.

It is a super-2 number, since 2×55000054526257² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55000054526267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500027263128 + 27500027263129.

It is an arithmetic number, because the mean of its divisors is an integer number (27500027263129).

Almost surely, 2^{55000054526257} is an apocalyptic number.

It is an amenable number.

55000054526257 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000054526257 is an equidigital number, since it uses as much as digits as its factorization.

55000054526257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100000, while the sum is 46.

The spelling of 55000054526257 in words is "fifty-five trillion, fifty-four million, five hundred twenty-six thousand, two hundred fifty-seven".