54820402845 has 32 divisors (see below), whose sum is σ = 94600353792. Its totient is φ = 26948339712.

The previous prime is 54820402817. The next prime is 54820402891.

54820402845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54820402845 - 2⁷ = 54820402717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54820402797 and 54820402806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77629 + ... + 340098.

It is an arithmetic number, because the mean of its divisors is an integer number (2956261056).

Almost surely, 2^54820402845 is an apocalyptic number.

It is an amenable number.

54820402845 is a deficient number, since it is larger than the sum of its proper divisors (39779950947).

54820402845 is a wasteful number, since it uses less digits than its factorization.

54820402845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418421.

The product of its (nonzero) digits is 409600, while the sum is 42.

The spelling of 54820402845 in words is "fifty-four billion, eight hundred twenty million, four hundred two thousand, eight hundred forty-five".