55321453 has 16 divisors (see below), whose sum is σ = 63493632. Its totient is φ = 47736000.

The previous prime is 55321439. The next prime is 55321477. The reversal of 55321453 is 35412355.

55321453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55321453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55321433) 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, 16543 + ... + 19603.

It is an arithmetic number, because the mean of its divisors is an integer number (3968352).

Almost surely, 2^55321453 is an apocalyptic number.

55321453 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55321453 is a deficient number, since it is larger than the sum of its proper divisors (8172179).

55321453 is a wasteful number, since it uses less digits than its factorization.

55321453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156.

The product of its digits is 9000, while the sum is 28.

The square root of 55321453 is about 7437.8392695729. The cubic root of 55321453 is about 381.0346985389.

The spelling of 55321453 in words is "fifty-five million, three hundred twenty-one thousand, four hundred fifty-three".