55437844388 has 24 divisors (see below), whose sum is σ = 100274170752. Its totient is φ = 26802293024.

The previous prime is 55437844367. The next prime is 55437844421. The reversal of 55437844388 is 88344873455.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1760795 + ... + 1792002.

It is an arithmetic number, because the mean of its divisors is an integer number (4178090448).

Almost surely, 2^55437844388 is an apocalyptic number.

It is an amenable number.

55437844388 is a deficient number, since it is larger than the sum of its proper divisors (44836326364).

55437844388 is a wasteful number, since it uses less digits than its factorization.

55437844388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552931 (or 3552929 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 59.

The spelling of 55437844388 in words is "fifty-five billion, four hundred thirty-seven million, eight hundred forty-four thousand, three hundred eighty-eight".