55641732 has 48 divisors (see below), whose sum is σ = 133902720. Its totient is φ = 17974528.

The previous prime is 55641727. The next prime is 55641739. The reversal of 55641732 is 23714655.

It is a junction number, because it is equal to n+sod(n) for n = 55641693 and 55641702.

It is not an unprimeable number, because it can be changed into a prime (55641739) 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, 56113 + ... + 57095.

It is an arithmetic number, because the mean of its divisors is an integer number (2789640).

Almost surely, 2^55641732 is an apocalyptic number.

It is an amenable number.

55641732 is an abundant number, since it is smaller than the sum of its proper divisors (78260988).

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

55641732 is a wasteful number, since it uses less digits than its factorization.

55641732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 55641732 is about 7459.3385765763. The cubic root of 55641732 is about 381.7686070659.

The spelling of 55641732 in words is "fifty-five million, six hundred forty-one thousand, seven hundred thirty-two".