55116555150 has 96 divisors (see below), whose sum is σ = 137558124288. Its totient is φ = 14604620800.

The previous prime is 55116555113. The next prime is 55116555227. The reversal of 55116555150 is 5155561155.

It is a super-3 number, since 3×55116555150³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55116555099 and 55116555108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16465777 + ... + 16469123.

It is an arithmetic number, because the mean of its divisors is an integer number (1432897128).

Almost surely, 2^55116555150 is an apocalyptic number.

55116555150 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 55116555150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68779062144).

55116555150 is an abundant number, since it is smaller than the sum of its proper divisors (82441569138).

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

55116555150 is a wasteful number, since it uses less digits than its factorization.

55116555150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 55116555150 in words is "fifty-five billion, one hundred sixteen million, five hundred fifty-five thousand, one hundred fifty".