5420645543 has 24 divisors (see below), whose sum is σ = 5799917088. Its totient is φ = 5063902272.

The previous prime is 5420645539. The next prime is 5420645557. The reversal of 5420645543 is 3455460245.

It is not a de Polignac number, because 5420645543 - 2² = 5420645539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5420645497 and 5420645506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420645843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11130446 + ... + 11130932.

It is an arithmetic number, because the mean of its divisors is an integer number (241663212).

Almost surely, 2^5420645543 is an apocalyptic number.

5420645543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5420645543 is a deficient number, since it is larger than the sum of its proper divisors (379271545).

5420645543 is a wasteful number, since it uses less digits than its factorization.

5420645543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The square root of 5420645543 is about 73625.0333989737. The cubic root of 5420645543 is about 1756.6436489672.

The spelling of 5420645543 in words is "five billion, four hundred twenty million, six hundred forty-five thousand, five hundred forty-three".