378055 has 4 divisors (see below), whose sum is σ = 453672. Its totient is φ = 302440.

The previous prime is 378041. The next prime is 378071. The reversal of 378055 is 550873.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 378055 - 2⁵ = 378023 is a prime.

It is a Duffinian number.

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, 37801 + ... + 37810.

It is an arithmetic number, because the mean of its divisors is an integer number (113418).

2³⁷⁸⁰⁵⁵ is an apocalyptic number.

378055 is a deficient number, since it is larger than the sum of its proper divisors (75617).

378055 is an equidigital number, since it uses as much as digits as its factorization.

378055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75616.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 378055 is about 614.8617730840. The cubic root of 378055 is about 72.3077745759.

The spelling of 378055 in words is "three hundred seventy-eight thousand, fifty-five".