55047632 has 20 divisors (see below), whose sum is σ = 112929156. Its totient is φ = 25904640.

The previous prime is 55047631. The next prime is 55047637. The reversal of 55047632 is 23674055.

It can be written as a sum of positive squares in 2 ways, for example, as 47004736 + 8042896 = 6856^2 + 2836^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55047631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100919 + ... + 101462.

Almost surely, 2^55047632 is an apocalyptic number.

It is an amenable number.

55047632 is an abundant number, since it is smaller than the sum of its proper divisors (57881524).

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

55047632 is a wasteful number, since it uses less digits than its factorization.

55047632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202406 (or 202400 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 55047632 is about 7419.4091408953. The cubic root of 55047632 is about 380.4049975700.

The spelling of 55047632 in words is "fifty-five million, forty-seven thousand, six hundred thirty-two".