55100061030 has 128 divisors (see below), whose sum is σ = 152718151680. Its totient is φ = 12462791040.

The previous prime is 55100061011. The next prime is 55100061041. The reversal of 55100061030 is 3016000155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 55100060988 and 55100061006.

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 63 ways as a sum of consecutive naturals, for example, 7928017 + ... + 7934963.

It is an arithmetic number, because the mean of its divisors is an integer number (1193110560).

Almost surely, 2^55100061030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55100061030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76359075840).

55100061030 is an abundant number, since it is smaller than the sum of its proper divisors (97618090650).

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

55100061030 is a wasteful number, since it uses less digits than its factorization.

55100061030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7354.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 55100061030 its reverse (3016000155), we get a palindrome (58116061185).

The spelling of 55100061030 in words is "fifty-five billion, one hundred million, sixty-one thousand, thirty".