55155842160 has 40 divisors (see below), whose sum is σ = 170983111440. Its totient is φ = 14708224512.

The previous prime is 55155842087. The next prime is 55155842171. The reversal of 55155842160 is 6124855155.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 114907765 + ... + 114908244.

It is an arithmetic number, because the mean of its divisors is an integer number (4274577786).

Almost surely, 2^55155842160 is an apocalyptic number.

It is an amenable number.

55155842160 is an abundant number, since it is smaller than the sum of its proper divisors (115827269280).

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

55155842160 is a wasteful number, since it uses less digits than its factorization.

55155842160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229816025 (or 229816019 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 55155842160 in words is "fifty-five billion, one hundred fifty-five million, eight hundred forty-two thousand, one hundred sixty".