55082573440 has 64 divisors (see below), whose sum is σ = 134744211360. Its totient is φ = 21520622592.

The previous prime is 55082573419. The next prime is 55082573459. The reversal of 55082573440 is 4437528055.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973254 + ... + 1028293.

Almost surely, 2^55082573440 is an apocalyptic number.

It is an amenable number.

55082573440 is an abundant number, since it is smaller than the sum of its proper divisors (79661637920).

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

55082573440 is a wasteful number, since it uses less digits than its factorization.

55082573440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001609 (or 2001597 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 55082573440 in words is "fifty-five billion, eighty-two million, five hundred seventy-three thousand, four hundred forty".