54507647797 has 4 divisors (see below), whose sum is σ = 54509974380. Its totient is φ = 54505321216.

The previous prime is 54507647759. The next prime is 54507647833. The reversal of 54507647797 is 79774670545.

54507647797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18465004996 + 36042642801 = 135886^2 + 189849^2 .

It is a cyclic number.

It is not a de Polignac number, because 54507647797 - 2⁷ = 54507647669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54507647717) 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, 1127788 + ... + 1175125.

It is an arithmetic number, because the mean of its divisors is an integer number (13627493595).

Almost surely, 2^54507647797 is an apocalyptic number.

It is an amenable number.

54507647797 is a deficient number, since it is larger than the sum of its proper divisors (2326583).

54507647797 is a wasteful number, since it uses less digits than its factorization.

54507647797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326582.

The product of its (nonzero) digits is 51861600, while the sum is 61.

The spelling of 54507647797 in words is "fifty-four billion, five hundred seven million, six hundred forty-seven thousand, seven hundred ninety-seven".