55678065444 has 45 divisors (see below), whose sum is σ = 145564565377. Its totient is φ = 18557939376.

The previous prime is 55678065427. The next prime is 55678065467. The reversal of 55678065444 is 44456087655.

The square root of 55678065444 is 235962.

It is a perfect power (a square), and thus also a powerful number.

55678065444 is a `hidden beast` number, since 5 + 5 + 67 + 80 + 65 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21304905444 + 34373160000 = 145962^2 + 185400^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4240762 + ... + 4253870.

Almost surely, 2^55678065444 is an apocalyptic number.

55678065444 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55678065444 is the 235962-nd square number.

It is an amenable number.

55678065444 is an abundant number, since it is smaller than the sum of its proper divisors (89886499933).

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

55678065444 is an frugal number, since it uses more digits than its factorization.

55678065444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26234 (or 13114 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 55678065444 in words is "fifty-five billion, six hundred seventy-eight million, sixty-five thousand, four hundred forty-four".