51852016404 has 48 divisors (see below), whose sum is σ = 142338873600. Its totient is φ = 16267298688.

The previous prime is 51852016393. The next prime is 51852016429. The reversal of 51852016404 is 40461025815.

It is a happy number.

51852016404 is a `hidden beast` number, since 5 + 1 + 8 + 5 + 2 + 0 + 1 + 640 + 4 = 666.

51852016404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14119084 + ... + 14122755.

It is an arithmetic number, because the mean of its divisors is an integer number (2965393200).

Almost surely, 2^51852016404 is an apocalyptic number.

51852016404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51852016404 is an abundant number, since it is smaller than the sum of its proper divisors (90486857196).

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

51852016404 is a wasteful number, since it uses less digits than its factorization.

51852016404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28241869 (or 28241861 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 51852016404 in words is "fifty-one billion, eight hundred fifty-two million, sixteen thousand, four hundred four".