54456243547 has 8 divisors (see below), whose sum is σ = 55212854544. Its totient is φ = 53699920128.

The previous prime is 54456243511. The next prime is 54456243551. The reversal of 54456243547 is 74534265445.

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 54456243547 - 2¹⁹ = 54455719259 is a prime.

It is a super-2 number, since 2×54456243547² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54456243547.

It is not an unprimeable number, because it can be changed into a prime (54456243047) 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, 324528 + ... + 462850.

It is an arithmetic number, because the mean of its divisors is an integer number (6901606818).

Almost surely, 2^54456243547 is an apocalyptic number.

54456243547 is a deficient number, since it is larger than the sum of its proper divisors (756610997).

54456243547 is a wasteful number, since it uses less digits than its factorization.

54456243547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143789.

The product of its digits is 8064000, while the sum is 49.

The spelling of 54456243547 in words is "fifty-four billion, four hundred fifty-six million, two hundred forty-three thousand, five hundred forty-seven".