55570449 has 16 divisors (see below), whose sum is σ = 81333504. Its totient is φ = 33469200.

The previous prime is 55570423. The next prime is 55570453. The reversal of 55570449 is 94407555.

55570449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55570449 - 2¹⁶ = 55504913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55570469) 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 in 15 ways as a sum of consecutive naturals, for example, 214 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (5083344).

Almost surely, 2^55570449 is an apocalyptic number.

It is an amenable number.

55570449 is a deficient number, since it is larger than the sum of its proper divisors (25763055).

55570449 is a wasteful number, since it uses less digits than its factorization.

55570449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 55570449 is about 7454.5589406752. The cubic root of 55570449 is about 381.6055086139.

The spelling of 55570449 in words is "fifty-five million, five hundred seventy thousand, four hundred forty-nine".