55742848569 has 16 divisors (see below), whose sum is σ = 82610619840. Its totient is φ = 37149019200.

The previous prime is 55742848543. The next prime is 55742848573. The reversal of 55742848569 is 96584824755.

55742848569 is a `hidden beast` number, since 5 + 5 + 7 + 4 + 28 + 48 + 569 = 666.

It is not a de Polignac number, because 55742848569 - 2⁸ = 55742848313 is a prime.

It is a super-2 number, since 2×55742848569² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55742848519) 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 15 ways as a sum of consecutive naturals, for example, 278107 + ... + 434544.

It is an arithmetic number, because the mean of its divisors is an integer number (5163163740).

Almost surely, 2^55742848569 is an apocalyptic number.

It is an amenable number.

55742848569 is a deficient number, since it is larger than the sum of its proper divisors (26867771271).

55742848569 is a wasteful number, since it uses less digits than its factorization.

55742848569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715557 (or 715551 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 55742848569 in words is "fifty-five billion, seven hundred forty-two million, eight hundred forty-eight thousand, five hundred sixty-nine".