54475817539 has 8 divisors (see below), whose sum is σ = 63999562032. Its totient is φ = 45713972640.

The previous prime is 54475817537. The next prime is 54475817581. The reversal of 54475817539 is 93571857445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54475817539 - 2¹ = 54475817537 is a prime.

It is a super-2 number, since 2×54475817539² (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 (54475817537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190474744 + ... + 190475029.

It is an arithmetic number, because the mean of its divisors is an integer number (7999945254).

Almost surely, 2^54475817539 is an apocalyptic number.

54475817539 is a deficient number, since it is larger than the sum of its proper divisors (9523744493).

54475817539 is a wasteful number, since it uses less digits than its factorization.

54475817539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380949797.

The product of its digits is 21168000, while the sum is 58.

The spelling of 54475817539 in words is "fifty-four billion, four hundred seventy-five million, eight hundred seventeen thousand, five hundred thirty-nine".