51417746500 has 24 divisors (see below), whose sum is σ = 112296359448. Its totient is φ = 20567098400.

The previous prime is 51417746483. The next prime is 51417746507. The reversal of 51417746500 is 564771415.

51417746500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9000696384 + 42417050116 = 94872^2 + 205954^2 .

It is not an unprimeable number, because it can be changed into a prime (51417746507) 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, 51417247 + ... + 51418246.

It is an arithmetic number, because the mean of its divisors is an integer number (4679014977).

Almost surely, 2^51417746500 is an apocalyptic number.

51417746500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51417746500 is an abundant number, since it is smaller than the sum of its proper divisors (60878612948).

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

51417746500 is a wasteful number, since it uses less digits than its factorization.

51417746500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102835512 (or 102835500 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 51417746500 in words is "fifty-one billion, four hundred seventeen million, seven hundred forty-six thousand, five hundred".