51033477019392 has 432 divisors, whose sum is σ = 175633381973280. Its totient is φ = 14574412726272.

The previous prime is 51033477019309. The next prime is 51033477019403. The reversal of 51033477019392 is 29391077433015.

51033477019392 is a `hidden beast` number, since 5 + 103 + 347 + 7 + 0 + 193 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×51033477019392² (a number of 28 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 776578728 + ... + 776644440.

Almost surely, 2^{51033477019392} 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 51033477019392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816690986640).

51033477019392 is an abundant number, since it is smaller than the sum of its proper divisors (124599904953888).

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

51033477019392 is a wasteful number, since it uses less digits than its factorization.

51033477019392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68045 (or 68018 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 51033477019392 in words is "fifty-one trillion, thirty-three billion, four hundred seventy-seven million, nineteen thousand, three hundred ninety-two".