54643733734645 has 48 divisors (see below), whose sum is σ = 75007376196480. Its totient is φ = 38140755847040.

The previous prime is 54643733734643. The next prime is 54643733734697.

It is a happy number.

54643733734645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54643733734645 - 2¹ = 54643733734643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54643733734643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6394807 + ... + 12254836.

It is an arithmetic number, because the mean of its divisors is an integer number (1562653670760).

Almost surely, 2^{54643733734645} is an apocalyptic number.

54643733734645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54643733734645 is a deficient number, since it is larger than the sum of its proper divisors (20363642461835).

54643733734645 is a wasteful number, since it uses less digits than its factorization.

54643733734645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18649866 (or 18649855 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 64.

The spelling of 54643733734645 in words is "fifty-four trillion, six hundred forty-three billion, seven hundred thirty-three million, seven hundred thirty-four thousand, six hundred forty-five".