55381352 has 32 divisors (see below), whose sum is σ = 117717600. Its totient is φ = 24214464.

The previous prime is 55381331. The next prime is 55381357. The reversal of 55381352 is 25318355.

It is not an unprimeable number, because it can be changed into a prime (55381357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12038 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (3678675).

Almost surely, 2^55381352 is an apocalyptic number.

55381352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55381352 is an abundant number, since it is smaller than the sum of its proper divisors (62336248).

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

55381352 is a wasteful number, since it uses less digits than its factorization.

55381352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28065 (or 28061 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 55381352 is about 7441.8648200569. The cubic root of 55381352 is about 381.1721700124.

The spelling of 55381352 in words is "fifty-five million, three hundred eighty-one thousand, three hundred fifty-two".