54775612797 has 4 divisors (see below), whose sum is σ = 73034150400. Its totient is φ = 36517075196.

The previous prime is 54775612789. The next prime is 54775612831. The reversal of 54775612797 is 79721657745.

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 54775612797 - 2³ = 54775612789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54775612797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54775612777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9129268797 + ... + 9129268802.

It is an arithmetic number, because the mean of its divisors is an integer number (18258537600).

Almost surely, 2^54775612797 is an apocalyptic number.

It is an amenable number.

54775612797 is a deficient number, since it is larger than the sum of its proper divisors (18258537603).

54775612797 is a wasteful number, since it uses less digits than its factorization.

54775612797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258537602.

The product of its digits is 25930800, while the sum is 60.

The spelling of 54775612797 in words is "fifty-four billion, seven hundred seventy-five million, six hundred twelve thousand, seven hundred ninety-seven".