19875552 has 24 divisors (see below), whose sum is σ = 52173576. Its totient is φ = 6625152.

The previous prime is 19875551. The next prime is 19875563. The reversal of 19875552 is 25557891.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19875551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103423 + ... + 103614.

It is an arithmetic number, because the mean of its divisors is an integer number (2173899).

Almost surely, 2^19875552 is an apocalyptic number.

19875552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19875552 is an abundant number, since it is smaller than the sum of its proper divisors (32298024).

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

19875552 is a wasteful number, since it uses less digits than its factorization.

19875552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207050 (or 207042 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 19875552 is about 4458.2005338477. The cubic root of 19875552 is about 270.8775834496.

The spelling of 19875552 in words is "nineteen million, eight hundred seventy-five thousand, five hundred fifty-two".