54416420845 has 8 divisors (see below), whose sum is σ = 67551419160. Its totient is φ = 42031993920.

The previous prime is 54416420833. The next prime is 54416420887. The reversal of 54416420845 is 54802461445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11688636996 + 42727783849 = 108114^2 + 206707^2 .

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

It is not a de Polignac number, because 54416420845 - 2²⁷ = 54282203117 is a prime.

It is a super-2 number, since 2×54416420845² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 187642686 + ... + 187642975.

It is an arithmetic number, because the mean of its divisors is an integer number (8443927395).

Almost surely, 2^54416420845 is an apocalyptic number.

It is an amenable number.

54416420845 is a deficient number, since it is larger than the sum of its proper divisors (13134998315).

54416420845 is a wasteful number, since it uses less digits than its factorization.

54416420845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375285695.

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 54416420845 in words is "fifty-four billion, four hundred sixteen million, four hundred twenty thousand, eight hundred forty-five".