55449653 has 12 divisors (see below), whose sum is σ = 65638560. Its totient is φ = 45884496.

The previous prime is 55449649. The next prime is 55449677. The reversal of 55449653 is 35694455.

It is not a de Polignac number, because 55449653 - 2² = 55449649 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55449653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55449623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (5469880).

Almost surely, 2^55449653 is an apocalyptic number.

It is an amenable number.

55449653 is a deficient number, since it is larger than the sum of its proper divisors (10188907).

55449653 is an equidigital number, since it uses as much as digits as its factorization.

55449653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484 (or 9455 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 55449653 is about 7446.4523768033. The cubic root of 55449653 is about 381.3288036333.

The spelling of 55449653 in words is "fifty-five million, four hundred forty-nine thousand, six hundred fifty-three".