555633086464 has 117 divisors (see below), whose sum is σ = 1174605151293. Its totient is φ = 262765264896.

The previous prime is 555633086423. The next prime is 555633086467. The reversal of 555633086464 is 464680336555.

The square root of 555633086464 is 745408.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1811353600 + 553821732864 = 42560^2 + 744192^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555633086467) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 906415822 + ... + 906416434.

Almost surely, 2^555633086464 is an apocalyptic number.

555633086464 is the 745408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555633086464

555633086464 is an abundant number, since it is smaller than the sum of its proper divisors (618972064829).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555633086464 is an frugal number, since it uses more digits than its factorization.

555633086464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 555633086464 in words is "five hundred fifty-five billion, six hundred thirty-three million, eighty-six thousand, four hundred sixty-four".