54756564533 has 4 divisors (see below), whose sum is σ = 59734434048. Its totient is φ = 49778695020.

The previous prime is 54756564529. The next prime is 54756564553. The reversal of 54756564533 is 33546565745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54756564533 - 2² = 54756564529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54756564523) 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, 2488934741 + ... + 2488934762.

It is an arithmetic number, because the mean of its divisors is an integer number (14933608512).

Almost surely, 2^54756564533 is an apocalyptic number.

It is an amenable number.

54756564533 is a deficient number, since it is larger than the sum of its proper divisors (4977869515).

54756564533 is a wasteful number, since it uses less digits than its factorization.

54756564533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977869514.

The product of its digits is 22680000, while the sum is 53.

The spelling of 54756564533 in words is "fifty-four billion, seven hundred fifty-six million, five hundred sixty-four thousand, five hundred thirty-three".