55358381238 has 8 divisors (see below), whose sum is σ = 110716762488. Its totient is φ = 18452793744.

The previous prime is 55358381231. The next prime is 55358381251. The reversal of 55358381238 is 83218385355.

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

55358381238 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358381231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613198431 + ... + 4613198442.

It is an arithmetic number, because the mean of its divisors is an integer number (13839595311).

Almost surely, 2^55358381238 is an apocalyptic number.

55358381238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55358381238 is a wasteful number, since it uses less digits than its factorization.

55358381238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226396878.

The product of its digits is 3456000, while the sum is 51.

The spelling of 55358381238 in words is "fifty-five billion, three hundred fifty-eight million, three hundred eighty-one thousand, two hundred thirty-eight".