55612120 has 32 divisors (see below), whose sum is σ = 126094320. Its totient is φ = 22072960.

The previous prime is 55612097. The next prime is 55612121. The reversal of 55612120 is 2121655.

It is a junction number, because it is equal to n+sod(n) for n = 55612091 and 55612100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 10546.

Almost surely, 2^55612120 is an apocalyptic number.

It is an amenable number.

55612120 is an abundant number, since it is smaller than the sum of its proper divisors (70482200).

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

55612120 is a wasteful number, since it uses less digits than its factorization.

55612120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10755 (or 10751 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55612120 is about 7457.3534179359. The cubic root of 55612120 is about 381.7008705090.

Adding to 55612120 its reverse (2121655), we get a palindrome (57733775).

The spelling of 55612120 in words is "fifty-five million, six hundred twelve thousand, one hundred twenty".