55534243451 has 4 divisors (see below), whose sum is σ = 58800963672. Its totient is φ = 52267523232.

The previous prime is 55534243439. The next prime is 55534243483. The reversal of 55534243451 is 15434243555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55534243451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55534243399 and 55534243408.

It is not an unprimeable number, because it can be changed into a prime (55534243421) 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, 1633360085 + ... + 1633360118.

It is an arithmetic number, because the mean of its divisors is an integer number (14700240918).

Almost surely, 2^55534243451 is an apocalyptic number.

55534243451 is a deficient number, since it is larger than the sum of its proper divisors (3266720221).

55534243451 is a wasteful number, since it uses less digits than its factorization.

55534243451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266720220.

The product of its digits is 720000, while the sum is 41.

The spelling of 55534243451 in words is "fifty-five billion, five hundred thirty-four million, two hundred forty-three thousand, four hundred fifty-one".