1552352500 has 60 divisors (see below), whose sum is σ = 3413507328. Its totient is φ = 617500000.

The previous prime is 1552352491. The next prime is 1552352509. The reversal of 1552352500 is 52532551.

It is an interprime number because it is at equal distance from previous prime (1552352491) and next prime (1552352509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552352509) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 475875 + ... + 479125.

Almost surely, 2^1552352500 is an apocalyptic number.

1552352500 is a gapful number since it is divisible by the number (10) 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 1552352500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706753664).

1552352500 is an abundant number, since it is smaller than the sum of its proper divisors (1861154828).

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

1552352500 is a wasteful number, since it uses less digits than its factorization.

1552352500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466 (or 3449 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 1552352500 is about 39399.9048222201. The cubic root of 1552352500 is about 1157.8797227827.

Adding to 1552352500 its product of nonzero digits (7500), we get a square (1552360000 = 39400²).

The spelling of 1552352500 in words is "one billion, five hundred fifty-two million, three hundred fifty-two thousand, five hundred".