55594978 has 4 divisors (see below), whose sum is σ = 83392470. Its totient is φ = 27797488.

The previous prime is 55594951. The next prime is 55594991. The reversal of 55594978 is 87949555.

55594978 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.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 21687649 = 5823^2 + 4657^2 .

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 as a sum of consecutive naturals, namely, 13898743 + ... + 13898746.

Almost surely, 2^55594978 is an apocalyptic number.

55594978 is a deficient number, since it is larger than the sum of its proper divisors (27797492).

55594978 is a wasteful number, since it uses less digits than its factorization.

55594978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27797491.

The product of its digits is 2268000, while the sum is 52.

The square root of 55594978 is about 7456.2039939905. The cubic root of 55594978 is about 381.6616477117.

The spelling of 55594978 in words is "fifty-five million, five hundred ninety-four thousand, nine hundred seventy-eight".