55042583898 has 8 divisors (see below), whose sum is σ = 110085167808. Its totient is φ = 18347527964.

The previous prime is 55042583891. The next prime is 55042583903. The reversal of 55042583898 is 89838524055.

55042583898 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.

55042583898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55042583891) 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, 4586881986 + ... + 4586881997.

It is an arithmetic number, because the mean of its divisors is an integer number (13760645976).

Almost surely, 2^55042583898 is an apocalyptic number.

55042583898 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.

55042583898 is a wasteful number, since it uses less digits than its factorization.

55042583898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173763988.

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 55042583898 in words is "fifty-five billion, forty-two million, five hundred eighty-three thousand, eight hundred ninety-eight".