55798178 has 8 divisors (see below), whose sum is σ = 83773440. Its totient is φ = 27873700.

The previous prime is 55798147. The next prime is 55798181. The reversal of 55798178 is 87189755.

55798178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55798178² = 6226873336239368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818 + ... + 14421.

It is an arithmetic number, because the mean of its divisors is an integer number (10471680).

Almost surely, 2^55798178 is an apocalyptic number.

55798178 is a deficient number, since it is larger than the sum of its proper divisors (27975262).

55798178 is a wasteful number, since it uses less digits than its factorization.

55798178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25392.

The product of its digits is 705600, while the sum is 50.

The square root of 55798178 is about 7469.8178023296. The cubic root of 55798178 is about 382.1260742639.

The spelling of 55798178 in words is "fifty-five million, seven hundred ninety-eight thousand, one hundred seventy-eight".