55413444042 has 24 divisors (see below), whose sum is σ = 130977231840. Its totient is φ = 16791952680.

The previous prime is 55413443837. The next prime is 55413444067. The reversal of 55413444042 is 24044431455.

55413444042 is a `hidden beast` number, since 5 + 541 + 34 + 4 + 40 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55413443988 and 55413444006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139932742 + ... + 139933137.

It is an arithmetic number, because the mean of its divisors is an integer number (5457384660).

Almost surely, 2^55413444042 is an apocalyptic number.

55413444042 is an abundant number, since it is smaller than the sum of its proper divisors (75563787798).

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

55413444042 is a wasteful number, since it uses less digits than its factorization.

55413444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279865898 (or 279865895 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 55413444042 its reverse (24044431455), we get a palindrome (79457875497).

The spelling of 55413444042 in words is "fifty-five billion, four hundred thirteen million, four hundred forty-four thousand, forty-two".