55232235442 has 16 divisors (see below), whose sum is σ = 87966155520. Its totient is φ = 25919234368.

The previous prime is 55232235419. The next prime is 55232235481. The reversal of 55232235442 is 24453223255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250298 + ... + 2274709.

It is an arithmetic number, because the mean of its divisors is an integer number (5497884720).

Almost surely, 2^55232235442 is an apocalyptic number.

55232235442 is a deficient number, since it is larger than the sum of its proper divisors (32733920078).

55232235442 is a wasteful number, since it uses less digits than its factorization.

55232235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525385.

The product of its digits is 288000, while the sum is 37.

Adding to 55232235442 its reverse (24453223255), we get a palindrome (79685458697).

The spelling of 55232235442 in words is "fifty-five billion, two hundred thirty-two million, two hundred thirty-five thousand, four hundred forty-two".