55433142 has 12 divisors (see below), whose sum is σ = 120105180. Its totient is φ = 18477708.

The previous prime is 55433137. The next prime is 55433159. The reversal of 55433142 is 24133455.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1539792 + ... + 1539827.

It is an arithmetic number, because the mean of its divisors is an integer number (10008765).

Almost surely, 2^55433142 is an apocalyptic number.

55433142 is an abundant number, since it is smaller than the sum of its proper divisors (64672038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55433142 is a wasteful number, since it uses less digits than its factorization.

55433142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079627 (or 3079624 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 55433142 is about 7445.3436455277. The cubic root of 55433142 is about 381.2909510074.

Adding to 55433142 its reverse (24133455), we get a palindrome (79566597).

The spelling of 55433142 in words is "fifty-five million, four hundred thirty-three thousand, one hundred forty-two".