1552253500 has 48 divisors (see below), whose sum is σ = 3874433472. Its totient is φ = 532200000.

The previous prime is 1552253497. The next prime is 1552253501. The reversal of 1552253500 is 53522551.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218251 + ... + 225250.

It is an arithmetic number, because the mean of its divisors is an integer number (80717364).

Almost surely, 2^1552253500 is an apocalyptic number.

1552253500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552253500 is an abundant number, since it is smaller than the sum of its proper divisors (2322179972).

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

1552253500 is a wasteful number, since it uses less digits than its factorization.

1552253500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443527 (or 443515 counting only the distinct ones).

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

The square root of 1552253500 is about 39398.6484539762. The cubic root of 1552253500 is about 1157.8551079847.

The spelling of 1552253500 in words is "one billion, five hundred fifty-two million, two hundred fifty-three thousand, five hundred".