55594642 has 16 divisors (see below), whose sum is σ = 84802392. Its totient is φ = 27331200.

The previous prime is 55594639. The next prime is 55594663. The reversal of 55594642 is 24649555.

It can be written as a sum of positive squares in 4 ways, for example, as 42133081 + 13461561 = 6491^2 + 3669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55594595 and 55594604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30838 + ... + 32590.

Almost surely, 2^55594642 is an apocalyptic number.

55594642 is a deficient number, since it is larger than the sum of its proper divisors (29207750).

55594642 is a wasteful number, since it uses less digits than its factorization.

55594642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its digits is 216000, while the sum is 40.

The square root of 55594642 is about 7456.1814623841. The cubic root of 55594642 is about 381.6608788259.

It can be divided in two parts, 5559 and 4642, that added together give a palindrome (10201).

The spelling of 55594642 in words is "fifty-five million, five hundred ninety-four thousand, six hundred forty-two".