53446553 has 8 divisors (see below), whose sum is σ = 54758400. Its totient is φ = 52148880.

The previous prime is 53446543. The next prime is 53446571. The reversal of 53446553 is 35564435.

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 53446553 - 2¹² = 53442457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53446543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4298 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (6844800).

Almost surely, 2^53446553 is an apocalyptic number.

It is an amenable number.

53446553 is a deficient number, since it is larger than the sum of its proper divisors (1311847).

53446553 is a wasteful number, since it uses less digits than its factorization.

53446553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087.

The product of its digits is 108000, while the sum is 35.

The square root of 53446553 is about 7310.7149445181. The cubic root of 53446553 is about 376.6805827561.

The spelling of 53446553 in words is "fifty-three million, four hundred forty-six thousand, five hundred fifty-three".