55252132 has 24 divisors (see below), whose sum is σ = 104936832. Its totient is φ = 25303200.

The previous prime is 55252123. The next prime is 55252139. The reversal of 55252132 is 23125255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55252097 and 55252106.

It is not an unprimeable number, because it can be changed into a prime (55252139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (4372368).

Almost surely, 2^55252132 is an apocalyptic number.

55252132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55252132 is a deficient number, since it is larger than the sum of its proper divisors (49684700).

55252132 is a wasteful number, since it uses less digits than its factorization.

55252132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 55252132 is about 7433.1777861154. The cubic root of 55252132 is about 380.8754791328.

Adding to 55252132 its reverse (23125255), we get a palindrome (78377387).

The spelling of 55252132 in words is "fifty-five million, two hundred fifty-two thousand, one hundred thirty-two".