55129996 has 6 divisors (see below), whose sum is σ = 96477500. Its totient is φ = 27564996.

The previous prime is 55129981. The next prime is 55130003. The reversal of 55129996 is 69992155.

55129996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6891246 + ... + 6891253.

Almost surely, 2^55129996 is an apocalyptic number.

It is an amenable number.

55129996 is a deficient number, since it is larger than the sum of its proper divisors (41347504).

55129996 is a wasteful number, since it uses less digits than its factorization.

55129996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782503 (or 13782501 counting only the distinct ones).

The product of its digits is 218700, while the sum is 46.

The square root of 55129996 is about 7424.9576429768. The cubic root of 55129996 is about 380.5946276690.

The spelling of 55129996 in words is "fifty-five million, one hundred twenty-nine thousand, nine hundred ninety-six".