55005052200042 has 256 divisors, whose sum is σ = 132543590400000. Its totient is φ = 14888623841280.

The previous prime is 55005052200037. The next prime is 55005052200089. The reversal of 55005052200042 is 24000225050055.

It is a junction number, because it is equal to n+sod(n) for n = 55005052199982 and 55005052200009.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7334981209 + ... + 7334988707.

It is an arithmetic number, because the mean of its divisors is an integer number (517748400000).

Almost surely, 2^{55005052200042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55005052200042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66271795200000).

55005052200042 is an abundant number, since it is smaller than the sum of its proper divisors (77538538199958).

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

55005052200042 is a wasteful number, since it uses less digits than its factorization.

55005052200042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181.

The product of its (nonzero) digits is 20000, while the sum is 30.

Adding to 55005052200042 its reverse (24000225050055), we get a palindrome (79005277250097).

The spelling of 55005052200042 in words is "fifty-five trillion, five billion, fifty-two million, two hundred thousand, forty-two".