55235042 has 4 divisors (see below), whose sum is σ = 82852566. Its totient is φ = 27617520.

The previous prime is 55235021. The next prime is 55235069. The reversal of 55235042 is 24053255.

55235042 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 can be written as a sum of positive squares in only one way, i.e., 37687321 + 17547721 = 6139^2 + 4189^2 .

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, 13808759 + ... + 13808762.

Almost surely, 2^55235042 is an apocalyptic number.

55235042 is a deficient number, since it is larger than the sum of its proper divisors (27617524).

55235042 is a wasteful number, since it uses less digits than its factorization.

55235042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27617523.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55235042 is about 7432.0281215830. The cubic root of 55235042 is about 380.8362056368.

Adding to 55235042 its reverse (24053255), we get a palindrome (79288297).

The spelling of 55235042 in words is "fifty-five million, two hundred thirty-five thousand, forty-two".