54453649 has 4 divisors (see below), whose sum is σ = 54468720. Its totient is φ = 54438580.

The previous prime is 54453643. The next prime is 54453713. The reversal of 54453649 is 94635445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54453649 - 2¹¹ = 54451601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54453643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (13617180).

Almost surely, 2^54453649 is an apocalyptic number.

It is an amenable number.

54453649 is a deficient number, since it is larger than the sum of its proper divisors (15071).

54453649 is an equidigital number, since it uses as much as digits as its factorization.

54453649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070.

The product of its digits is 259200, while the sum is 40.

The square root of 54453649 is about 7379.2715765176. The cubic root of 54453649 is about 379.0318127583.

The spelling of 54453649 in words is "fifty-four million, four hundred fifty-three thousand, six hundred forty-nine".