55180078 has 8 divisors (see below), whose sum is σ = 83818080. Its totient is φ = 27240720.

The previous prime is 55180067. The next prime is 55180109. The reversal of 55180078 is 87008155.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 174463 + ... + 174778.

It is an arithmetic number, because the mean of its divisors is an integer number (10477260).

Almost surely, 2^55180078 is an apocalyptic number.

55180078 is a deficient number, since it is larger than the sum of its proper divisors (28638002).

55180078 is a wasteful number, since it uses less digits than its factorization.

55180078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349322.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 55180078 is about 7428.3294218822. The cubic root of 55180078 is about 380.7098412403.

The spelling of 55180078 in words is "fifty-five million, one hundred eighty thousand, seventy-eight".