1533550552 has 32 divisors (see below), whose sum is σ = 3118817520. Its totient is φ = 704066560.

The previous prime is 1533550547. The next prime is 1533550559. The reversal of 1533550552 is 2550553351.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533550559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131938 + ... + 143089.

Almost surely, 2^1533550552 is an apocalyptic number.

It is an amenable number.

1533550552 is an abundant number, since it is smaller than the sum of its proper divisors (1585266968).

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

1533550552 is a wasteful number, since it uses less digits than its factorization.

1533550552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275091 (or 275087 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 34.

The square root of 1533550552 is about 39160.5739488072. The cubic root of 1533550552 is about 1153.1860113056.

The spelling of 1533550552 in words is "one billion, five hundred thirty-three million, five hundred fifty thousand, five hundred fifty-two".