55645002058143 has 4 divisors (see below), whose sum is σ = 74193336077528. Its totient is φ = 37096668038760.

The previous prime is 55645002058123. The next prime is 55645002058153. The reversal of 55645002058143 is 34185020054655.

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

It is not a de Polignac number, because 55645002058143 - 2²² = 55644997863839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55645002058092 and 55645002058101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645002058123) 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, 9274167009688 + ... + 9274167009693.

It is an arithmetic number, because the mean of its divisors is an integer number (18548334019382).

Almost surely, 2^{55645002058143} is an apocalyptic number.

55645002058143 is a deficient number, since it is larger than the sum of its proper divisors (18548334019385).

55645002058143 is a wasteful number, since it uses less digits than its factorization.

55645002058143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18548334019384.

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 55645002058143 in words is "fifty-five trillion, six hundred forty-five billion, two million, fifty-eight thousand, one hundred forty-three".