55880120 has 32 divisors (see below), whose sum is σ = 125943120. Its totient is φ = 22314240.

The previous prime is 55880107. The next prime is 55880131. The reversal of 55880120 is 2108855.

55880120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55880120² = 6245175622428800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46244 + ... + 47436.

Almost surely, 2^55880120 is an apocalyptic number.

It is an amenable number.

55880120 is an abundant number, since it is smaller than the sum of its proper divisors (70063000).

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

55880120 is a wasteful number, since it uses less digits than its factorization.

55880120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 55880120 is about 7475.3006628496. The cubic root of 55880120 is about 382.3130389082.

Adding to 55880120 its reverse (2108855), we get a palindrome (57988975).

The spelling of 55880120 in words is "fifty-five million, eight hundred eighty thousand, one hundred twenty".