1552455552 has 64 divisors (see below), whose sum is σ = 4163852160. Its totient is φ = 512448000.

The previous prime is 1552455539. The next prime is 1552455557. The reversal of 1552455552 is 2555542551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1552455552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552455557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19927 + ... + 59177.

It is an arithmetic number, because the mean of its divisors is an integer number (65060190).

Almost surely, 2^1552455552 is an apocalyptic number.

1552455552 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 1552455552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2081926080).

1552455552 is an abundant number, since it is smaller than the sum of its proper divisors (2611396608).

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

1552455552 is a wasteful number, since it uses less digits than its factorization.

1552455552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39371 (or 39359 counting only the distinct ones).

The product of its digits is 250000, while the sum is 39.

The square root of 1552455552 is about 39401.2125701735. The cubic root of 1552455552 is about 1157.9053439353.

The spelling of 1552455552 in words is "one billion, five hundred fifty-two million, four hundred fifty-five thousand, five hundred fifty-two".