55118534 has 8 divisors (see below), whose sum is σ = 86272560. Its totient is φ = 26361016.

The previous prime is 55118519. The next prime is 55118549. The reversal of 55118534 is 43581155.

It is an interprime number because it is at equal distance from previous prime (55118519) and next prime (55118549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55118534.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 599069 + ... + 599160.

It is an arithmetic number, because the mean of its divisors is an integer number (10784070).

Almost surely, 2^55118534 is an apocalyptic number.

55118534 is a deficient number, since it is larger than the sum of its proper divisors (31154026).

55118534 is a wasteful number, since it uses less digits than its factorization.

55118534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198254.

The product of its digits is 12000, while the sum is 32.

The square root of 55118534 is about 7424.1857465987. The cubic root of 55118534 is about 380.5682495427.

Adding to 55118534 its reverse (43581155), we get a palindrome (98699689).

The spelling of 55118534 in words is "fifty-five million, one hundred eighteen thousand, five hundred thirty-four".