55436542 has 24 divisors (see below), whose sum is σ = 97080120. Its totient is φ = 23672880.

The previous prime is 55436533. The next prime is 55436561. The reversal of 55436542 is 24563455.

It is a junction number, because it is equal to n+sod(n) for n = 55436498 and 55436507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31584 + ... + 33292.

It is an arithmetic number, because the mean of its divisors is an integer number (4045005).

Almost surely, 2^55436542 is an apocalyptic number.

55436542 is a deficient number, since it is larger than the sum of its proper divisors (41643578).

55436542 is a wasteful number, since it uses less digits than its factorization.

55436542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2049 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 55436542 is about 7445.5719726560. The cubic root of 55436542 is about 381.2987463604.

Adding to 55436542 its reverse (24563455), we get a palindrome (79999997).

The spelling of 55436542 in words is "fifty-five million, four hundred thirty-six thousand, five hundred forty-two".