55124112 has 40 divisors (see below), whose sum is σ = 143678304. Its totient is φ = 18210304.

The previous prime is 55124089. The next prime is 55124129. The reversal of 55124112 is 21142155.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 10505.

Almost surely, 2^55124112 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 55124112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71839152).

55124112 is an abundant number, since it is smaller than the sum of its proper divisors (88554192).

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

55124112 is a wasteful number, since it uses less digits than its factorization.

55124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287 (or 10281 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 55124112 is about 7424.5614011873. The cubic root of 55124112 is about 380.5810869553.

Adding to 55124112 its reverse (21142155), we get a palindrome (76266267).

The spelling of 55124112 in words is "fifty-five million, one hundred twenty-four thousand, one hundred twelve".