51775862100 has 72 divisors (see below), whose sum is σ = 154637269248. Its totient is φ = 13361510400.

The previous prime is 51775862093. The next prime is 51775862113. The reversal of 51775862100 is 126857715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2774349 + ... + 2792948.

Almost surely, 2^51775862100 is an apocalyptic number.

51775862100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51775862100 is an abundant number, since it is smaller than the sum of its proper divisors (102861407148).

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

51775862100 is a wasteful number, since it uses less digits than its factorization.

51775862100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567345 (or 5567338 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 51775862100 in words is "fifty-one billion, seven hundred seventy-five million, eight hundred sixty-two thousand, one hundred".