55448474 has 4 divisors (see below), whose sum is σ = 83172714. Its totient is φ = 27724236.

The previous prime is 55448461. The next prime is 55448483. The reversal of 55448474 is 47484455.

55448474 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., 55428025 + 20449 = 7445^2 + 143^2 .

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 as a sum of consecutive naturals, namely, 13862117 + ... + 13862120.

Almost surely, 2^55448474 is an apocalyptic number.

55448474 is a deficient number, since it is larger than the sum of its proper divisors (27724240).

55448474 is a wasteful number, since it uses less digits than its factorization.

55448474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27724239.

The product of its digits is 358400, while the sum is 41.

The square root of 55448474 is about 7446.3732111680. The cubic root of 55448474 is about 381.3261009422.

The spelling of 55448474 in words is "fifty-five million, four hundred forty-eight thousand, four hundred seventy-four".