51795500 has 24 divisors (see below), whose sum is σ = 113122464. Its totient is φ = 20718000.

The previous prime is 51795493. The next prime is 51795511. The reversal of 51795500 is 559715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51296 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (4713436).

Almost surely, 2^51795500 is an apocalyptic number.

51795500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51795500 is an abundant number, since it is smaller than the sum of its proper divisors (61326964).

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

51795500 is a wasteful number, since it uses less digits than its factorization.

51795500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103610 (or 103598 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 51795500 is about 7196.9090587557. The cubic root of 51795500 is about 372.7611789320.

The spelling of 51795500 in words is "fifty-one million, seven hundred ninety-five thousand, five hundred".