54670536643 has 4 divisors (see below), whose sum is σ = 56003964408. Its totient is φ = 53337108880.

The previous prime is 54670536601. The next prime is 54670536649. The reversal of 54670536643 is 34663507645.

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

It is a cyclic number.

It is not a de Polignac number, because 54670536643 - 2²⁹ = 54133665731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54670536649) 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, 666713821 + ... + 666713902.

It is an arithmetic number, because the mean of its divisors is an integer number (14000991102).

Almost surely, 2^54670536643 is an apocalyptic number.

54670536643 is a deficient number, since it is larger than the sum of its proper divisors (1333427765).

54670536643 is a wasteful number, since it uses less digits than its factorization.

54670536643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333427764.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 54670536643 in words is "fifty-four billion, six hundred seventy million, five hundred thirty-six thousand, six hundred forty-three".