55133534 has 4 divisors (see below), whose sum is σ = 82700304. Its totient is φ = 27566766.

The previous prime is 55133513. The next prime is 55133549. The reversal of 55133534 is 43533155.

55133534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 55133497 and 55133506.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13783382 + ... + 13783385.

It is an arithmetic number, because the mean of its divisors is an integer number (20675076).

Almost surely, 2^55133534 is an apocalyptic number.

55133534 is a deficient number, since it is larger than the sum of its proper divisors (27566770).

55133534 is a wasteful number, since it uses less digits than its factorization.

55133534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27566769.

The product of its digits is 13500, while the sum is 29.

The square root of 55133534 is about 7425.1958896719. The cubic root of 55133534 is about 380.6027691230.

Adding to 55133534 its reverse (43533155), we get a palindrome (98666689).

The spelling of 55133534 in words is "fifty-five million, one hundred thirty-three thousand, five hundred thirty-four".