55250305302778 has 8 divisors (see below), whose sum is σ = 82875627994068. Its totient is φ = 27625095971424.

The previous prime is 55250305302713. The next prime is 55250305302793. The reversal of 55250305302778 is 87720350305255.

It can be written as a sum of positive squares in 2 ways, for example, as 55247155062649 + 3150240129 = 7432843^2 + 56127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27110851 + ... + 29077462.

Almost surely, 2^{55250305302778} is an apocalyptic number.

55250305302778 is a deficient number, since it is larger than the sum of its proper divisors (27625322691290).

55250305302778 is a wasteful number, since it uses less digits than its factorization.

55250305302778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679968.

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 55250305302778 in words is "fifty-five trillion, two hundred fifty billion, three hundred five million, three hundred two thousand, seven hundred seventy-eight".