53243554 has 32 divisors (see below), whose sum is σ = 101477376. Its totient is φ = 20381760.

The previous prime is 53243537. The next prime is 53243573. The reversal of 53243554 is 45534235.

It is a happy number.

53243554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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, 924 + ... + 10360.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

Almost surely, 2^53243554 is an apocalyptic number.

53243554 is a deficient number, since it is larger than the sum of its proper divisors (48233822).

53243554 is a wasteful number, since it uses less digits than its factorization.

53243554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490.

The product of its digits is 36000, while the sum is 31.

The square root of 53243554 is about 7296.8180736537. The cubic root of 53243554 is about 376.2030789566.

Adding to 53243554 its reverse (45534235), we get a palindrome (98777789).

The spelling of 53243554 in words is "fifty-three million, two hundred forty-three thousand, five hundred fifty-four".