55010120 has 128 divisors (see below), whose sum is σ = 144460800. Its totient is φ = 18662400.

The previous prime is 55010119. The next prime is 55010141. The reversal of 55010120 is 2101055.

It is a super-2 number, since 2×55010120² = 6052226604828800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55010095 and 55010104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504626 + ... + 504734.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^55010120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72230400).

55010120 is an abundant number, since it is smaller than the sum of its proper divisors (89450680).

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

55010120 is a wasteful number, since it uses less digits than its factorization.

55010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 55010120 is about 7416.8807459740. The cubic root of 55010120 is about 380.3185694208.

Adding to 55010120 its reverse (2101055), we get a palindrome (57111175).

The spelling of 55010120 in words is "fifty-five million, ten thousand, one hundred twenty".