55251575760427 has 2 divisors, whose sum is σ = 55251575760428. Its totient is φ = 55251575760426.

The previous prime is 55251575760373. The next prime is 55251575760463. The reversal of 55251575760427 is 72406757515255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55251575760427 - 2⁷ = 55251575760299 is a prime.

It is not a weakly prime, because it can be changed into another prime (55251575760127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625787880213 + 27625787880214.

It is an arithmetic number, because the mean of its divisors is an integer number (27625787880214).

Almost surely, 2^{55251575760427} is an apocalyptic number.

55251575760427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55251575760427 is an equidigital number, since it uses as much as digits as its factorization.

55251575760427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900000, while the sum is 61.

The spelling of 55251575760427 in words is "fifty-five trillion, two hundred fifty-one billion, five hundred seventy-five million, seven hundred sixty thousand, four hundred twenty-seven".