55633494 has 16 divisors (see below), whose sum is σ = 127162368. Its totient is φ = 15895272.

The previous prime is 55633453. The next prime is 55633531. The reversal of 55633494 is 49433655.

55633494 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 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, 662262 + ... + 662345.

It is an arithmetic number, because the mean of its divisors is an integer number (7947648).

Almost surely, 2^55633494 is an apocalyptic number.

55633494 is an abundant number, since it is smaller than the sum of its proper divisors (71528874).

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

55633494 is a wasteful number, since it uses less digits than its factorization.

55633494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324619.

The product of its digits is 194400, while the sum is 39.

The square root of 55633494 is about 7458.7863624051. The cubic root of 55633494 is about 381.7497653028.

The spelling of 55633494 in words is "fifty-five million, six hundred thirty-three thousand, four hundred ninety-four".