55444032 has 84 divisors (see below), whose sum is σ = 181636416. Its totient is φ = 15840000.

The previous prime is 55444031. The next prime is 55444073. The reversal of 55444032 is 23044455.

It is a tau number, because it is divible by the number of its divisors (84).

It is a junction number, because it is equal to n+sod(n) for n = 55443987 and 55444005.

It is not an unprimeable number, because it can be changed into a prime (55444031) 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, 2844 + ... + 10907.

Almost surely, 2^55444032 is an apocalyptic number.

It is an amenable number.

55444032 is an abundant number, since it is smaller than the sum of its proper divisors (126192384).

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

55444032 is a wasteful number, since it uses less digits than its factorization.

55444032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776 (or 13763 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 55444032 is about 7446.0749391878. The cubic root of 55444032 is about 381.3159179402.

Adding to 55444032 its reverse (23044455), we get a palindrome (78488487).

The spelling of 55444032 in words is "fifty-five million, four hundred forty-four thousand, thirty-two".