54645415847 has 24 divisors (see below), whose sum is σ = 62265239568. Its totient is φ = 47882862720.

The previous prime is 54645415831. The next prime is 54645415873. The reversal of 54645415847 is 74851454645.

It is not a de Polignac number, because 54645415847 - 2⁴ = 54645415831 is a prime.

It is a super-3 number, since 3×54645415847³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54645415817) 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 23 ways as a sum of consecutive naturals, for example, 422003 + ... + 536075.

It is an arithmetic number, because the mean of its divisors is an integer number (2594384982).

Almost surely, 2^54645415847 is an apocalyptic number.

54645415847 is a deficient number, since it is larger than the sum of its proper divisors (7619823721).

54645415847 is a wasteful number, since it uses less digits than its factorization.

54645415847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114239 (or 114228 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 53.

The spelling of 54645415847 in words is "fifty-four billion, six hundred forty-five million, four hundred fifteen thousand, eight hundred forty-seven".