55858538 has 8 divisors (see below), whose sum is σ = 83887488. Its totient is φ = 27896044.

The previous prime is 55858529. The next prime is 55858577. The reversal of 55858538 is 83585855.

It is a happy number.

55858538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 55858492 and 55858501.

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 3 ways as a sum of consecutive naturals, for example, 14456 + ... + 17907.

It is an arithmetic number, because the mean of its divisors is an integer number (10485936).

Almost surely, 2^55858538 is an apocalyptic number.

55858538 is a deficient number, since it is larger than the sum of its proper divisors (28028950).

55858538 is a wasteful number, since it uses less digits than its factorization.

55858538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33228.

The product of its digits is 960000, while the sum is 47.

The square root of 55858538 is about 7473.8569694636. The cubic root of 55858538 is about 382.2638136353.

The spelling of 55858538 in words is "fifty-five million, eight hundred fifty-eight thousand, five hundred thirty-eight".