55431413455 has 12 divisors (see below), whose sum is σ = 73114493256. Its totient is φ = 40313754800.

The previous prime is 55431413449. The next prime is 55431413467.

55431413455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55431413455 - 2¹¹ = 55431411407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45810481 + ... + 45811690.

It is an arithmetic number, because the mean of its divisors is an integer number (6092874438).

Almost surely, 2^55431413455 is an apocalyptic number.

55431413455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55431413455 is a deficient number, since it is larger than the sum of its proper divisors (17683079801).

55431413455 is a wasteful number, since it uses less digits than its factorization.

55431413455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91622198 (or 91622187 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The spelling of 55431413455 in words is "fifty-five billion, four hundred thirty-one million, four hundred thirteen thousand, four hundred fifty-five".