54742673519 has 4 divisors (see below), whose sum is σ = 56077860720. Its totient is φ = 53407486320.

The previous prime is 54742673509. The next prime is 54742673527. The reversal of 54742673519 is 91537624745.

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

It is a cyclic number.

It is not a de Polignac number, because 54742673519 - 2³² = 50447706223 is a prime.

It is a super-2 number, since 2×54742673519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54742673509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667593539 + ... + 667593620.

It is an arithmetic number, because the mean of its divisors is an integer number (14019465180).

Almost surely, 2^54742673519 is an apocalyptic number.

54742673519 is a deficient number, since it is larger than the sum of its proper divisors (1335187201).

54742673519 is a wasteful number, since it uses less digits than its factorization.

54742673519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335187200.

The product of its digits is 6350400, while the sum is 53.

The spelling of 54742673519 in words is "fifty-four billion, seven hundred forty-two million, six hundred seventy-three thousand, five hundred nineteen".