51729623537100 has 72 divisors (see below), whose sum is σ = 149681681092608. Its totient is φ = 13793585908800.

The previous prime is 51729623537069. The next prime is 51729623537131. The reversal of 51729623537100 is 173532692715.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51729623537069) and next prime (51729623537131).

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, 1894156 + ... + 10346355.

Almost surely, 2^{51729623537100} is an apocalyptic number.

51729623537100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51729623537100 is an abundant number, since it is smaller than the sum of its proper divisors (97952057555508).

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

51729623537100 is a wasteful number, since it uses less digits than its factorization.

51729623537100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254615 (or 12254608 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 51729623537100 in words is "fifty-one trillion, seven hundred twenty-nine billion, six hundred twenty-three million, five hundred thirty-seven thousand, one hundred".