51850622100 has 36 divisors (see below), whose sum is σ = 150021134144. Its totient is φ = 13826832480.

The previous prime is 51850622063. The next prime is 51850622107. The reversal of 51850622100 is 122605815.

It is a super-3 number, since 3×51850622100³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51850622107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86417404 + ... + 86418003.

Almost surely, 2^51850622100 is an apocalyptic number.

51850622100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51850622100 is an abundant number, since it is smaller than the sum of its proper divisors (98170512044).

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

51850622100 is a wasteful number, since it uses less digits than its factorization.

51850622100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172835424 (or 172835417 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 51850622100 in words is "fifty-one billion, eight hundred fifty million, six hundred twenty-two thousand, one hundred".