197555552 has 24 divisors (see below), whose sum is σ = 390650400. Its totient is φ = 98342784.

The previous prime is 197555531. The next prime is 197555581. The reversal of 197555552 is 255555791.

197555552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197555552² = 78056392252049408, which contains 22 as substring.

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, 6152 + ... + 20807.

It is an arithmetic number, because the mean of its divisors is an integer number (16277100).

Almost surely, 2^197555552 is an apocalyptic number.

It is an amenable number.

197555552 is a deficient number, since it is larger than the sum of its proper divisors (193094848).

197555552 is a wasteful number, since it uses less digits than its factorization.

197555552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27198 (or 27190 counting only the distinct ones).

The product of its digits is 393750, while the sum is 44.

The square root of 197555552 is about 14055.4456350555. The cubic root of 197555552 is about 582.4112381098.

The spelling of 197555552 in words is "one hundred ninety-seven million, five hundred fifty-five thousand, five hundred fifty-two".