655003556 has 6 divisors (see below), whose sum is σ = 1146256230. Its totient is φ = 327501776.

The previous prime is 655003513. The next prime is 655003561. The reversal of 655003556 is 655300556.

It can be written as a sum of positive squares in only one way, i.e., 626701156 + 28302400 = 25034^2 + 5320^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81875441 + ... + 81875448.

It is an arithmetic number, because the mean of its divisors is an integer number (191042705).

Almost surely, 2^655003556 is an apocalyptic number.

It is an amenable number.

655003556 is a deficient number, since it is larger than the sum of its proper divisors (491252674).

655003556 is a wasteful number, since it uses less digits than its factorization.

655003556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163750893 (or 163750891 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 655003556 is about 25593.0372562539. The cubic root of 655003556 is about 868.4561318844.

The spelling of 655003556 in words is "six hundred fifty-five million, three thousand, five hundred fifty-six".