55232016 has 120 divisors (see below), whose sum is σ = 173363904. Its totient is φ = 15079680.

The previous prime is 55232011. The next prime is 55232017. The reversal of 55232016 is 61023255.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (55232011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53586 + ... + 54606.

Almost surely, 2^55232016 is an apocalyptic number.

55232016 is a gapful number since it is divisible by the number (56) 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 55232016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86681952).

55232016 is an abundant number, since it is smaller than the sum of its proper divisors (118131888).

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

55232016 is a wasteful number, since it uses less digits than its factorization.

55232016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55232016 is about 7431.8245404477. The cubic root of 55232016 is about 380.8292509249.

The spelling of 55232016 in words is "fifty-five million, two hundred thirty-two thousand, sixteen".