195501057 has 8 divisors (see below), whose sum is σ = 260753376. Its totient is φ = 130291392.

The previous prime is 195501001. The next prime is 195501077. The reversal of 195501057 is 750105591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195501057 - 2⁶ = 195500993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195501077) 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, 2278 + ... + 19904.

It is an arithmetic number, because the mean of its divisors is an integer number (32594172).

Almost surely, 2^195501057 is an apocalyptic number.

It is an amenable number.

195501057 is a deficient number, since it is larger than the sum of its proper divisors (65252319).

195501057 is a wasteful number, since it uses less digits than its factorization.

195501057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327.

The product of its (nonzero) digits is 7875, while the sum is 33.

The square root of 195501057 is about 13982.1692523013. The cubic root of 195501057 is about 580.3852543504.

The spelling of 195501057 in words is "one hundred ninety-five million, five hundred one thousand, fifty-seven".