553665144 has 16 divisors (see below), whose sum is σ = 1384162920. Its totient is φ = 184555040.

The previous prime is 553665143. The next prime is 553665199. The reversal of 553665144 is 441566355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553665143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11534667 + ... + 11534714.

Almost surely, 2^553665144 is an apocalyptic number.

It is an amenable number.

553665144 is an abundant number, since it is smaller than the sum of its proper divisors (830497776).

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

553665144 is a wasteful number, since it uses less digits than its factorization.

553665144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23069390 (or 23069386 counting only the distinct ones).

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

The square root of 553665144 is about 23530.0901825726. The cubic root of 553665144 is about 821.1372006717.

The spelling of 553665144 in words is "five hundred fifty-three million, six hundred sixty-five thousand, one hundred forty-four".