55501155161016 has 64 divisors (see below), whose sum is σ = 142638814836000. Its totient is φ = 17983214788608.

The previous prime is 55501155160987. The next prime is 55501155161041. The reversal of 55501155161016 is 61016155110555.

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, 28859385 + ... + 30722408.

Almost surely, 2^{55501155161016} is an apocalyptic number.

It is an amenable number.

55501155161016 is an abundant number, since it is smaller than the sum of its proper divisors (87137659674984).

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

55501155161016 is a wasteful number, since it uses less digits than its factorization.

55501155161016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59582888 (or 59582884 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 42.

The spelling of 55501155161016 in words is "fifty-five trillion, five hundred one billion, one hundred fifty-five million, one hundred sixty-one thousand, sixteen".