55136506 has 16 divisors (see below), whose sum is σ = 83844000. Its totient is φ = 27190800.

The previous prime is 55136467. The next prime is 55136519. The reversal of 55136506 is 60563155.

55136506 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 in 7 ways as a sum of consecutive naturals, for example, 100525 + ... + 101071.

It is an arithmetic number, because the mean of its divisors is an integer number (5240250).

Almost surely, 2^55136506 is an apocalyptic number.

55136506 is a deficient number, since it is larger than the sum of its proper divisors (28707494).

55136506 is a wasteful number, since it uses less digits than its factorization.

55136506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55136506 is about 7425.3960163752. The cubic root of 55136506 is about 380.6096078593.

The spelling of 55136506 in words is "fifty-five million, one hundred thirty-six thousand, five hundred six".