553621552 has 20 divisors (see below), whose sum is σ = 1170155016. Its totient is φ = 251646080.

The previous prime is 553621511. The next prime is 553621553. The reversal of 553621552 is 255126355.

It is not an unprimeable number, because it can be changed into a prime (553621553) 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, 1572613 + ... + 1572964.

Almost surely, 2^553621552 is an apocalyptic number.

It is an amenable number.

553621552 is an abundant number, since it is smaller than the sum of its proper divisors (616533464).

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

553621552 is a wasteful number, since it uses less digits than its factorization.

553621552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145596 (or 3145590 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 553621552 is about 23529.1638610470. The cubic root of 553621552 is about 821.1156497682.

The spelling of 553621552 in words is "five hundred fifty-three million, six hundred twenty-one thousand, five hundred fifty-two".