5521478 has 4 divisors (see below), whose sum is σ = 8282220. Its totient is φ = 2760738.

The previous prime is 5521463. The next prime is 5521489. The reversal of 5521478 is 8741255.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380368 + ... + 1380371.

It is an arithmetic number, because the mean of its divisors is an integer number (2070555).

Almost surely, 2^5521478 is an apocalyptic number.

5521478 is a deficient number, since it is larger than the sum of its proper divisors (2760742).

5521478 is a wasteful number, since it uses less digits than its factorization.

5521478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760741.

The product of its digits is 11200, while the sum is 32.

The square root of 5521478 is about 2349.7825431303. The cubic root of 5521478 is about 176.7468905062.

The spelling of 5521478 in words is "five million, five hundred twenty-one thousand, four hundred seventy-eight".