1552355112 has 128 divisors (see below), whose sum is σ = 4852224000. Its totient is φ = 402067200.

The previous prime is 1552355111. The next prime is 1552355143. The reversal of 1552355112 is 2115532551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552355112.

It is not an unprimeable number, because it can be changed into a prime (1552355111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795514 + ... + 797462.

It is an arithmetic number, because the mean of its divisors is an integer number (37908000).

Almost surely, 2^1552355112 is an apocalyptic number.

1552355112 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 1552355112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426112000).

1552355112 is an abundant number, since it is smaller than the sum of its proper divisors (3299868888).

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

1552355112 is a wasteful number, since it uses less digits than its factorization.

1552355112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2403 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 1552355112 is about 39399.9379694943. The cubic root of 1552355112 is about 1157.8803722014.

Adding to 1552355112 its reverse (2115532551), we get a palindrome (3667887663).

The spelling of 1552355112 in words is "one billion, five hundred fifty-two million, three hundred fifty-five thousand, one hundred twelve".