51546361024 has 84 divisors (see below), whose sum is σ = 105631442280. Its totient is φ = 24949985280.

The previous prime is 51546361003. The next prime is 51546361037. The reversal of 51546361024 is 42016364515.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16948944 + ... + 16951984.

It is an arithmetic number, because the mean of its divisors is an integer number (1257517170).

Almost surely, 2^51546361024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51546361024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52815721140).

51546361024 is an abundant number, since it is smaller than the sum of its proper divisors (54085081256).

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

51546361024 is an equidigital number, since it uses as much as digits as its factorization.

51546361024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 51546361024 in words is "fifty-one billion, five hundred forty-six million, three hundred sixty-one thousand, twenty-four".