55132368 has 60 divisors (see below), whose sum is σ = 146553120. Its totient is φ = 17859456.

The previous prime is 55132367. The next prime is 55132369. The reversal of 55132368 is 86323155.

It is an interprime number because it is at equal distance from previous prime (55132367) and next prime (55132369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65293 + ... + 66131.

It is an arithmetic number, because the mean of its divisors is an integer number (2442552).

Almost surely, 2^55132368 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 55132368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73276560).

55132368 is an abundant number, since it is smaller than the sum of its proper divisors (91420752).

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

55132368 is a wasteful number, since it uses less digits than its factorization.

55132368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 881 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 55132368 is about 7425.1173728097. The cubic root of 55132368 is about 380.6000860254.

The spelling of 55132368 in words is "fifty-five million, one hundred thirty-two thousand, three hundred sixty-eight".