55432112 has 20 divisors (see below), whose sum is σ = 108873240. Its totient is φ = 27335808.

The previous prime is 55432067. The next prime is 55432151. The reversal of 55432112 is 21123455.

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, 22562 + ... + 24897.

It is an arithmetic number, because the mean of its divisors is an integer number (5443662).

Almost surely, 2^55432112 is an apocalyptic number.

It is an amenable number.

55432112 is a deficient number, since it is larger than the sum of its proper divisors (53441128).

55432112 is a wasteful number, since it uses less digits than its factorization.

55432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540 (or 47534 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 55432112 is about 7445.2744744569. The cubic root of 55432112 is about 381.2885894111.

Adding to 55432112 its reverse (21123455), we get a palindrome (76555567).

The spelling of 55432112 in words is "fifty-five million, four hundred thirty-two thousand, one hundred twelve".