54183798569 has 4 divisors (see below), whose sum is σ = 54188685396. Its totient is φ = 54178911744.

The previous prime is 54183798551. The next prime is 54183798589. The reversal of 54183798569 is 96589738145.

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 20789890969 + 33393907600 = 144187^2 + 182740^2 .

It is a cyclic number.

It is not a de Polignac number, because 54183798569 - 2⁸ = 54183798313 is a prime.

It is a super-2 number, since 2×54183798569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54183798589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426744 + ... + 2448969.

It is an arithmetic number, because the mean of its divisors is an integer number (13547171349).

Almost surely, 2^54183798569 is an apocalyptic number.

It is an amenable number.

54183798569 is a deficient number, since it is larger than the sum of its proper divisors (4886827).

54183798569 is a wasteful number, since it uses less digits than its factorization.

54183798569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886826.

The product of its digits is 65318400, while the sum is 65.

The spelling of 54183798569 in words is "fifty-four billion, one hundred eighty-three million, seven hundred ninety-eight thousand, five hundred sixty-nine".