553145664 has 56 divisors (see below), whose sum is σ = 1484180928. Its totient is φ = 181780480.

The previous prime is 553145633. The next prime is 553145669. The reversal of 553145664 is 466541355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553145669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6657 + ... + 33920.

Almost surely, 2^553145664 is an apocalyptic number.

It is an amenable number.

553145664 is an abundant number, since it is smaller than the sum of its proper divisors (931035264).

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

553145664 is a wasteful number, since it uses less digits than its factorization.

553145664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40663 (or 40653 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 553145664 is about 23519.0489603640. The cubic root of 553145664 is about 820.8803078330.

The spelling of 553145664 in words is "five hundred fifty-three million, one hundred forty-five thousand, six hundred sixty-four".