653554543 has 4 divisors (see below), whose sum is σ = 653620968. Its totient is φ = 653488120.

The previous prime is 653554541. The next prime is 653554633. The reversal of 653554543 is 345455356.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 653554543 - 2¹ = 653554541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 653554496 and 653554505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653554541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15196 + ... + 39217.

It is an arithmetic number, because the mean of its divisors is an integer number (163405242).

Almost surely, 2^653554543 is an apocalyptic number.

653554543 is a deficient number, since it is larger than the sum of its proper divisors (66425).

653554543 is a wasteful number, since it uses less digits than its factorization.

653554543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66424.

The product of its digits is 540000, while the sum is 40.

The square root of 653554543 is about 25564.7128479864. The cubic root of 653554543 is about 867.8152532652.

The spelling of 653554543 in words is "six hundred fifty-three million, five hundred fifty-four thousand, five hundred forty-three".