55450532 has 24 divisors (see below), whose sum is σ = 105257880. Its totient is φ = 25456640.

The previous prime is 55450519. The next prime is 55450559. The reversal of 55450532 is 23505455.

It is a happy number.

55450532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14182756 + 41267776 = 3766^2 + 6424^2 .

It is a super-2 number, since 2×55450532² = 6149522998166048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55450495 and 55450504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (4385745).

Almost surely, 2^55450532 is an apocalyptic number.

It is an amenable number.

55450532 is a deficient number, since it is larger than the sum of its proper divisors (49807348).

55450532 is a wasteful number, since it uses less digits than its factorization.

55450532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19951 (or 19949 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55450532 is about 7446.5113979635. The cubic root of 55450532 is about 381.3308185918.

Adding to 55450532 its reverse (23505455), we get a palindrome (78955987).

The spelling of 55450532 in words is "fifty-five million, four hundred fifty thousand, five hundred thirty-two".