55113552 has 120 divisors (see below), whose sum is σ = 169260000. Its totient is φ = 16637184.

The previous prime is 55113533. The next prime is 55113559. The reversal of 55113552 is 25531155.

55113552 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 2×55113552² = 6075007228113408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55113559) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 110199 + ... + 110697.

It is an arithmetic number, because the mean of its divisors is an integer number (1410500).

Almost surely, 2^55113552 is an apocalyptic number.

55113552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55113552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84630000).

55113552 is an abundant number, since it is smaller than the sum of its proper divisors (114146448).

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

55113552 is a wasteful number, since it uses less digits than its factorization.

55113552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 55113552 is about 7423.8502140062. The cubic root of 55113552 is about 380.5567830540.

The spelling of 55113552 in words is "fifty-five million, one hundred thirteen thousand, five hundred fifty-two".