55310445415050 has 384 divisors, whose sum is σ = 172230102282240. Its totient is φ = 11453673369600.

The previous prime is 55310445415037. The next prime is 55310445415073. The reversal of 55310445415050 is 5051454401355.

It is a super-2 number, since 2×55310445415050² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55310445414993 and 55310445415011.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 171180747 + ... + 171503553.

It is an arithmetic number, because the mean of its divisors is an integer number (448515891360).

Almost surely, 2^{55310445415050} is an apocalyptic number.

55310445415050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55310445415050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86115051141120).

55310445415050 is an abundant number, since it is smaller than the sum of its proper divisors (116919656867190).

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

55310445415050 is a wasteful number, since it uses less digits than its factorization.

55310445415050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323206 (or 323201 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 55310445415050 in words is "fifty-five trillion, three hundred ten billion, four hundred forty-five million, four hundred fifteen thousand, fifty".