53351166758400 has 2880 divisors, whose sum is σ = 233714966284800. Its totient is φ = 11882305290240.

The previous prime is 53351166758399. The next prime is 53351166758509. The reversal of 53351166758400 is 485766115335.

53351166758400 is a `hidden beast` number, since 5 + 3 + 3 + 5 + 1 + 166 + 75 + 8 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 127329753391 + ... + 127329753809.

It is an arithmetic number, because the mean of its divisors is an integer number (81151029960).

Almost surely, 2^{53351166758400} is an apocalyptic number.

53351166758400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53351166758400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116857483142400).

53351166758400 is an abundant number, since it is smaller than the sum of its proper divisors (180363799526400).

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

53351166758400 is a wasteful number, since it uses less digits than its factorization.

53351166758400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 53351166758400 in words is "fifty-three trillion, three hundred fifty-one billion, one hundred sixty-six million, seven hundred fifty-eight thousand, four hundred".