55452378 has 16 divisors (see below), whose sum is σ = 112049280. Its totient is φ = 18293376.

The previous prime is 55452367. The next prime is 55452401. The reversal of 55452378 is 87325455.

55452378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 47058 + ... + 48221.

It is an arithmetic number, because the mean of its divisors is an integer number (7003080).

Almost surely, 2^55452378 is an apocalyptic number.

55452378 is an abundant number, since it is smaller than the sum of its proper divisors (56596902).

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

55452378 is a wasteful number, since it uses less digits than its factorization.

55452378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95381.

The product of its digits is 168000, while the sum is 39.

The square root of 55452378 is about 7446.6353475916. The cubic root of 55452378 is about 381.3350501645.

The spelling of 55452378 in words is "fifty-five million, four hundred fifty-two thousand, three hundred seventy-eight".