55391419355 has 8 divisors (see below), whose sum is σ = 67559370864. Its totient is φ = 43586690400.

The previous prime is 55391419297. The next prime is 55391419357.

55391419355 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55391419355 - 2¹⁰ = 55391418331 is a prime.

It is a super-2 number, since 2×55391419355² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55391419357) 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, 90805301 + ... + 90805910.

It is an arithmetic number, because the mean of its divisors is an integer number (8444921358).

Almost surely, 2^55391419355 is an apocalyptic number.

55391419355 is a deficient number, since it is larger than the sum of its proper divisors (12167951509).

55391419355 is a wasteful number, since it uses less digits than its factorization.

55391419355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181611277.

The product of its digits is 1822500, while the sum is 50.

The spelling of 55391419355 in words is "fifty-five billion, three hundred ninety-one million, four hundred nineteen thousand, three hundred fifty-five".