55270477758 has 32 divisors (see below), whose sum is σ = 117419777280. Its totient is φ = 17283992960.

The previous prime is 55270477723. The next prime is 55270477763. The reversal of 55270477758 is 85777407255.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55270477698 and 55270477707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839448 + ... + 902891.

It is an arithmetic number, because the mean of its divisors is an integer number (3669368040).

Almost surely, 2^55270477758 is an apocalyptic number.

55270477758 is an abundant number, since it is smaller than the sum of its proper divisors (62149299522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55270477758 is a wasteful number, since it uses less digits than its factorization.

55270477758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742672.

The product of its (nonzero) digits is 19208000, while the sum is 57.

It can be divided in two parts, 55270 and 477758, that added together give a triangular number (533028 = T₁₀₃₂).

The spelling of 55270477758 in words is "fifty-five billion, two hundred seventy million, four hundred seventy-seven thousand, seven hundred fifty-eight".