55133524 has 12 divisors (see below), whose sum is σ = 99810900. Its totient is φ = 26616128.

The previous prime is 55133513. The next prime is 55133549. The reversal of 55133524 is 42533155.

It can be written as a sum of positive squares in 2 ways, for example, as 22848400 + 32285124 = 4780^2 + 5682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55133492 and 55133501.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 237529 + ... + 237760.

It is an arithmetic number, because the mean of its divisors is an integer number (8317575).

Almost surely, 2^55133524 is an apocalyptic number.

It is an amenable number.

55133524 is a deficient number, since it is larger than the sum of its proper divisors (44677376).

55133524 is a wasteful number, since it uses less digits than its factorization.

55133524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475322 (or 475320 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 55133524 is about 7425.1952162889. The cubic root of 55133524 is about 380.6027461121.

Adding to 55133524 its reverse (42533155), we get a palindrome (97666679).

The spelling of 55133524 in words is "fifty-five million, one hundred thirty-three thousand, five hundred twenty-four".