1552552512 has 112 divisors (see below), whose sum is σ = 4743419520. Its totient is φ = 438976512.

The previous prime is 1552552511. The next prime is 1552552517. The reversal of 1552552512 is 2152552551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (1552552511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124414 + ... + 136322.

It is an arithmetic number, because the mean of its divisors is an integer number (42351960).

Almost surely, 2^1552552512 is an apocalyptic number.

1552552512 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 1552552512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371709760).

1552552512 is an abundant number, since it is smaller than the sum of its proper divisors (3190867008).

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

1552552512 is a wasteful number, since it uses less digits than its factorization.

1552552512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12028 (or 12018 counting only the distinct ones).

The product of its digits is 25000, while the sum is 33.

The square root of 1552552512 is about 39402.4429699479. The cubic root of 1552552512 is about 1157.9294494381.

The spelling of 1552552512 in words is "one billion, five hundred fifty-two million, five hundred fifty-two thousand, five hundred twelve".