55201032 has 48 divisors (see below), whose sum is σ = 151747440. Its totient is φ = 18124128.

The previous prime is 55201021. The next prime is 55201033. The reversal of 55201032 is 23010255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 55200996 and 55201014.

It is not an unprimeable number, because it can be changed into a prime (55201033) 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, 898 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (3161405).

Almost surely, 2^55201032 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 55201032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75873720).

55201032 is an abundant number, since it is smaller than the sum of its proper divisors (96546408).

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

55201032 is a wasteful number, since it uses less digits than its factorization.

55201032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11522 (or 11515 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55201032 is about 7429.7396993434. The cubic root of 55201032 is about 380.7580252030.

Adding to 55201032 its reverse (23010255), we get a palindrome (78211287).

The spelling of 55201032 in words is "fifty-five million, two hundred one thousand, thirty-two".