55042638526416 has 20 divisors (see below), whose sum is σ = 142193482860032. Its totient is φ = 18347546175456.

The previous prime is 55042638526357. The next prime is 55042638526451. The reversal of 55042638526416 is 61462583624055.

It is a congruent number.

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, 573360817936 + ... + 573360818031.

Almost surely, 2^{55042638526416} is an apocalyptic number.

It is an amenable number.

55042638526416 is an abundant number, since it is smaller than the sum of its proper divisors (87150844333616).

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

55042638526416 is a wasteful number, since it uses less digits than its factorization.

55042638526416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146721635978 (or 1146721635972 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 57.

The spelling of 55042638526416 in words is "fifty-five trillion, forty-two billion, six hundred thirty-eight million, five hundred twenty-six thousand, four hundred sixteen".