55641332 has 24 divisors (see below), whose sum is σ = 98594496. Its totient is φ = 27474368.

The previous prime is 55641331. The next prime is 55641349. The reversal of 55641332 is 23314655.

It is a junction number, because it is equal to n+sod(n) for n = 55641295 and 55641304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641331) 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, 211433 + ... + 211695.

It is an arithmetic number, because the mean of its divisors is an integer number (4108104).

Almost surely, 2^55641332 is an apocalyptic number.

It is an amenable number.

55641332 is a deficient number, since it is larger than the sum of its proper divisors (42953164).

55641332 is a wasteful number, since it uses less digits than its factorization.

55641332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 725 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 55641332 is about 7459.3117644995. The cubic root of 55641332 is about 381.7676922381.

Adding to 55641332 its reverse (23314655), we get a palindrome (78955987).

The spelling of 55641332 in words is "fifty-five million, six hundred forty-one thousand, three hundred thirty-two".