55212632 has 32 divisors (see below), whose sum is σ = 109350000. Its totient is φ = 26062848.

The previous prime is 55212631. The next prime is 55212649. The reversal of 55212632 is 23621255.

55212632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55212631) by changing a digit.

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, 67844 + ... + 68652.

Almost surely, 2^55212632 is an apocalyptic number.

It is an amenable number.

55212632 is a deficient number, since it is larger than the sum of its proper divisors (54137368).

55212632 is a wasteful number, since it uses less digits than its factorization.

55212632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1279 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 55212632 is about 7430.5203047970. The cubic root of 55212632 is about 380.7846942922.

Adding to 55212632 its reverse (23621255), we get a palindrome (78833887).

The spelling of 55212632 in words is "fifty-five million, two hundred twelve thousand, six hundred thirty-two".