53344553 has 16 divisors (see below), whose sum is σ = 56453760. Its totient is φ = 50354304.

The previous prime is 53344549. The next prime is 53344573. The reversal of 53344553 is 35544335.

It is a cyclic number.

It is not a de Polignac number, because 53344553 - 2² = 53344549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53344523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202700 + ... + 202962.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 2^53344553 is an apocalyptic number.

53344553 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53344553 is a deficient number, since it is larger than the sum of its proper divisors (3109207).

53344553 is a wasteful number, since it uses less digits than its factorization.

53344553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 54000, while the sum is 32.

The square root of 53344553 is about 7303.7355510725. The cubic root of 53344553 is about 376.4408049781.

Adding to 53344553 its reverse (35544335), we get a palindrome (88888888).

The spelling of 53344553 in words is "fifty-three million, three hundred forty-four thousand, five hundred fifty-three".