55453393 has 4 divisors (see below), whose sum is σ = 55586160. Its totient is φ = 55320628.

The previous prime is 55453369. The next prime is 55453397. The reversal of 55453393 is 39335455.

55453393 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55453393 - 2²¹ = 53356241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55453397) 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 3 ways as a sum of consecutive naturals, for example, 65755 + ... + 66592.

It is an arithmetic number, because the mean of its divisors is an integer number (13896540).

Almost surely, 2^55453393 is an apocalyptic number.

It is an amenable number.

55453393 is a deficient number, since it is larger than the sum of its proper divisors (132767).

55453393 is a wasteful number, since it uses less digits than its factorization.

55453393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132766.

The product of its digits is 121500, while the sum is 37.

The square root of 55453393 is about 7446.7034988644. The cubic root of 55453393 is about 381.3373768018.

The spelling of 55453393 in words is "fifty-five million, four hundred fifty-three thousand, three hundred ninety-three".