1552355412 has 12 divisors (see below), whose sum is σ = 3622162656. Its totient is φ = 517451800.

The previous prime is 1552355401. The next prime is 1552355507. The reversal of 1552355412 is 2145532551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64681464 + ... + 64681487.

It is an arithmetic number, because the mean of its divisors is an integer number (301846888).

Almost surely, 2^1552355412 is an apocalyptic number.

1552355412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552355412 is an abundant number, since it is smaller than the sum of its proper divisors (2069807244).

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

1552355412 is a wasteful number, since it uses less digits than its factorization.

1552355412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129362958 (or 129362956 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 1552355412 is about 39399.9417766067. The cubic root of 1552355412 is about 1157.8804467900.

Adding to 1552355412 its reverse (2145532551), we get a palindrome (3697887963).

The spelling of 1552355412 in words is "one billion, five hundred fifty-two million, three hundred fifty-five thousand, four hundred twelve".