654530523055 has 4 divisors (see below), whose sum is σ = 785436627672. Its totient is φ = 523624418440.

The previous prime is 654530523013. The next prime is 654530523089. The reversal of 654530523055 is 550325035456.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 654530523055 - 2⁹ = 654530522543 is a prime.

It is a super-2 number, since 2×654530523055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65453052301 + ... + 65453052310.

It is an arithmetic number, because the mean of its divisors is an integer number (196359156918).

Almost surely, 2^654530523055 is an apocalyptic number.

654530523055 is a deficient number, since it is larger than the sum of its proper divisors (130906104617).

654530523055 is a wasteful number, since it uses less digits than its factorization.

654530523055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130906104616.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 654530523055 in words is "six hundred fifty-four billion, five hundred thirty million, five hundred twenty-three thousand, fifty-five".