55400442034 has 24 divisors (see below), whose sum is σ = 96827477760. Its totient is φ = 23703905736.

The previous prime is 55400442029. The next prime is 55400442043. The reversal of 55400442034 is 43024400455.

It is a junction number, because it is equal to n+sod(n) for n = 55400441987 and 55400442005.

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, 406174 + ... + 525145.

It is an arithmetic number, because the mean of its divisors is an integer number (4034478240).

Almost surely, 2^55400442034 is an apocalyptic number.

55400442034 is a deficient number, since it is larger than the sum of its proper divisors (41427035726).

55400442034 is a wasteful number, since it uses less digits than its factorization.

55400442034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931942 (or 931935 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 55400442034 its reverse (43024400455), we get a palindrome (98424842489).

The spelling of 55400442034 in words is "fifty-five billion, four hundred million, four hundred forty-two thousand, thirty-four".