55672232 has 48 divisors (see below), whose sum is σ = 132477120. Its totient is φ = 21688800.

The previous prime is 55672231. The next prime is 55672237. The reversal of 55672232 is 23227655.

It is not an unprimeable number, because it can be changed into a prime (55672231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2144 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (2759940).

Almost surely, 2^55672232 is an apocalyptic number.

It is an amenable number.

55672232 is an abundant number, since it is smaller than the sum of its proper divisors (76804888).

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

55672232 is a wasteful number, since it uses less digits than its factorization.

55672232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942 (or 12931 counting only the distinct ones).

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

The square root of 55672232 is about 7461.3827136798. The cubic root of 55672232 is about 381.8383497764.

Adding to 55672232 its reverse (23227655), we get a palindrome (78899887).

The spelling of 55672232 in words is "fifty-five million, six hundred seventy-two thousand, two hundred thirty-two".