55333032 has 64 divisors (see below), whose sum is σ = 146880000. Its totient is φ = 17333184.

The previous prime is 55333027. The next prime is 55333037. The reversal of 55333032 is 23033355.

It is an interprime number because it is at equal distance from previous prime (55333027) and next prime (55333037).

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

It is a junction number, because it is equal to n+sod(n) for n = 55332993 and 55333011.

It is not an unprimeable number, because it can be changed into a prime (55333037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31719 + ... + 33417.

It is an arithmetic number, because the mean of its divisors is an integer number (2295000).

Almost surely, 2^55333032 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 55333032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73440000).

55333032 is an abundant number, since it is smaller than the sum of its proper divisors (91546968).

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

55333032 is a wasteful number, since it uses less digits than its factorization.

55333032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 24.

The square root of 55333032 is about 7438.6176135086. The cubic root of 55333032 is about 381.0612807100.

Adding to 55333032 its reverse (23033355), we get a palindrome (78366387).

The spelling of 55333032 in words is "fifty-five million, three hundred thirty-three thousand, thirty-two".