55067378 has 8 divisors (see below), whose sum is σ = 82639872. Its totient is φ = 27520756.

The previous prime is 55067347. The next prime is 55067393. The reversal of 55067378 is 87376055.

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

It is a super-2 number, since 2×55067378² = 6064832239589768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (10329984).

Almost surely, 2^55067378 is an apocalyptic number.

55067378 is a deficient number, since it is larger than the sum of its proper divisors (27572494).

55067378 is a wasteful number, since it uses less digits than its factorization.

55067378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 55067378 is about 7420.7397205400. The cubic root of 55067378 is about 380.4504768446.

The spelling of 55067378 in words is "fifty-five million, sixty-seven thousand, three hundred seventy-eight".