654445053 has 6 divisors (see below), whose sum is σ = 945309534. Its totient is φ = 436296696.

The previous prime is 654445021. The next prime is 654445069. The reversal of 654445053 is 350544456.

It can be written as a sum of positive squares in only one way, i.e., 648109764 + 6335289 = 25458^2 + 2517^2 .

It is not a de Polignac number, because 654445053 - 2⁵ = 654445021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654444999 and 654445017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654425053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36358050 + ... + 36358067.

It is an arithmetic number, because the mean of its divisors is an integer number (157551589).

Almost surely, 2^654445053 is an apocalyptic number.

It is an amenable number.

654445053 is a deficient number, since it is larger than the sum of its proper divisors (290864481).

654445053 is a wasteful number, since it uses less digits than its factorization.

654445053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72716123 (or 72716120 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 654445053 is about 25582.1236999589. The cubic root of 654445053 is about 868.2092257037.

The spelling of 654445053 in words is "six hundred fifty-four million, four hundred forty-five thousand, fifty-three".