55399181353 has 8 divisors (see below), whose sum is σ = 58391572320. Its totient is φ = 52414454880.

The previous prime is 55399181309. The next prime is 55399181381. The reversal of 55399181353 is 35318199355.

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

It is not a de Polignac number, because 55399181353 - 2¹³ = 55399173161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55399181353.

It is not an unprimeable number, because it can be changed into a prime (55399181303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901275 + ... + 1930192.

It is an arithmetic number, because the mean of its divisors is an integer number (7298946540).

Almost surely, 2^55399181353 is an apocalyptic number.

It is an amenable number.

55399181353 is a deficient number, since it is larger than the sum of its proper divisors (2992390967).

55399181353 is a wasteful number, since it uses less digits than its factorization.

55399181353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832247.

The product of its digits is 2187000, while the sum is 52.

The spelling of 55399181353 in words is "fifty-five billion, three hundred ninety-nine million, one hundred eighty-one thousand, three hundred fifty-three".