55555550255026 has 4 divisors (see below), whose sum is σ = 83333325382542. Its totient is φ = 27777775127512.

The previous prime is 55555550255017. The next prime is 55555550255027. The reversal of 55555550255026 is 62055205555555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38134317739401 + 17421232515625 = 6175299^2 + 4173875^2 .

It is not an unprimeable number, because it can be changed into a prime (55555550255027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888887563755 + ... + 13888887563758.

Almost surely, 2^{55555550255026} is an apocalyptic number.

55555550255026 is a deficient number, since it is larger than the sum of its proper divisors (27777775127516).

55555550255026 is a wasteful number, since it uses less digits than its factorization.

55555550255026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777775127515.

The product of its (nonzero) digits is 46875000, while the sum is 55.

The spelling of 55555550255026 in words is "fifty-five trillion, five hundred fifty-five billion, five hundred fifty million, two hundred fifty-five thousand, twenty-six".