55894378 has 4 divisors (see below), whose sum is σ = 83841570. Its totient is φ = 27947188.

The previous prime is 55894369. The next prime is 55894379. The reversal of 55894378 is 87349855.

55894378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87349855 = 5 ⋅17469971.

It can be written as a sum of positive squares in only one way, i.e., 45927729 + 9966649 = 6777^2 + 3157^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55894379) by changing a digit.

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 as a sum of consecutive naturals, namely, 13973593 + ... + 13973596.

Almost surely, 2^55894378 is an apocalyptic number.

55894378 is a deficient number, since it is larger than the sum of its proper divisors (27947192).

55894378 is a wasteful number, since it uses less digits than its factorization.

55894378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27947191.

The product of its digits is 1209600, while the sum is 49.

The square root of 55894378 is about 7476.2542760396. The cubic root of 55894378 is about 382.3455522944.

The spelling of 55894378 in words is "fifty-five million, eight hundred ninety-four thousand, three hundred seventy-eight".