54812421845 has 8 divisors (see below), whose sum is σ = 65777647320. Its totient is φ = 43848110080.

The previous prime is 54812421823. The next prime is 54812421857.

It is a happy number.

54812421845 is nontrivially palindromic in base 10.

54812421845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1876535761 + 52935886084 = 43319^2 + 230078^2 .

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

It is not a de Polignac number, because 54812421845 - 2²⁸ = 54543986389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54812421796 and 54812421805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88676 + ... + 342765.

It is an arithmetic number, because the mean of its divisors is an integer number (8222205915).

Almost surely, 2^54812421845 is an apocalyptic number.

It is an amenable number.

54812421845 is a deficient number, since it is larger than the sum of its proper divisors (10965225475).

54812421845 is a wasteful number, since it uses less digits than its factorization.

54812421845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456855.

The product of its digits is 409600, while the sum is 44.

The spelling of 54812421845 in words is "fifty-four billion, eight hundred twelve million, four hundred twenty-one thousand, eight hundred forty-five".