1552533312 has 112 divisors (see below), whose sum is σ = 4495629312. Its totient is φ = 468948480.

The previous prime is 1552533277. The next prime is 1552533349. The reversal of 1552533312 is 2133352551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552533312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774103 + ... + 776105.

Almost surely, 2^1552533312 is an apocalyptic number.

1552533312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552533312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2247814656).

1552533312 is an abundant number, since it is smaller than the sum of its proper divisors (2943096000).

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

1552533312 is a wasteful number, since it uses less digits than its factorization.

1552533312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396 (or 2386 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 1552533312 is about 39402.1993294791. The cubic root of 1552533312 is about 1157.9246761509.

Adding to 1552533312 its reverse (2133352551), we get a palindrome (3685885863).

The spelling of 1552533312 in words is "one billion, five hundred fifty-two million, five hundred thirty-three thousand, three hundred twelve".