55252527552778 has 8 divisors (see below), whose sum is σ = 82889875849572. Its totient is φ = 27622568936256.

The previous prime is 55252527552769. The next prime is 55252527552779. The reversal of 55252527552778 is 87725572525255.

It can be written as a sum of positive squares in 2 ways, for example, as 54866211851929 + 386315700849 = 7407173^2 + 621543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55252527552779) 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 in 3 ways as a sum of consecutive naturals, for example, 1847401375 + ... + 1847431282.

Almost surely, 2^{55252527552778} is an apocalyptic number.

55252527552778 is a deficient number, since it is larger than the sum of its proper divisors (27637348296794).

55252527552778 is a wasteful number, since it uses less digits than its factorization.

55252527552778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694840136.

The product of its digits is 686000000, while the sum is 67.

The spelling of 55252527552778 in words is "fifty-five trillion, two hundred fifty-two billion, five hundred twenty-seven million, five hundred fifty-two thousand, seven hundred seventy-eight".