55645453 has 8 divisors (see below), whose sum is σ = 56268800. Its totient is φ = 55025568.

The previous prime is 55645451. The next prime is 55645477. The reversal of 55645453 is 35454655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55645453 - 2¹ = 55645451 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 (55645451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42868 + ... + 44146.

It is an arithmetic number, because the mean of its divisors is an integer number (7033600).

Almost surely, 2^55645453 is an apocalyptic number.

It is an amenable number.

55645453 is a deficient number, since it is larger than the sum of its proper divisors (623347).

55645453 is a wasteful number, since it uses less digits than its factorization.

55645453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its digits is 180000, while the sum is 37.

The square root of 55645453 is about 7459.5879913035. The cubic root of 55645453 is about 381.7771170414. Note that the first 3 decimals are identical.

The spelling of 55645453 in words is "fifty-five million, six hundred forty-five thousand, four hundred fifty-three".