55663132 has 12 divisors (see below), whose sum is σ = 111326320. Its totient is φ = 23855616.

The previous prime is 55663121. The next prime is 55663147. The reversal of 55663132 is 23136655.

55663132 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55663094 and 55663103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993957 + ... + 994012.

Almost surely, 2^55663132 is an apocalyptic number.

It is an amenable number.

55663132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55663132 is a wasteful number, since it uses less digits than its factorization.

55663132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987980 (or 1987978 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 55663132 is about 7460.7728822154. The cubic root of 55663132 is about 381.8175439624.

Adding to 55663132 its reverse (23136655), we get a palindrome (78799787).

The spelling of 55663132 in words is "fifty-five million, six hundred sixty-three thousand, one hundred thirty-two".