51024931452 has 384 divisors, whose sum is σ = 162531532800. Its totient is φ = 13642214400.

The previous prime is 51024931439. The next prime is 51024931453. The reversal of 51024931452 is 25413942015.

51024931452 is a `hidden beast` number, since 5 + 102 + 493 + 14 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024931453) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 39522927 + ... + 39524217.

It is an arithmetic number, because the mean of its divisors is an integer number (423259200).

Almost surely, 2^51024931452 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 51024931452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81265766400).

51024931452 is an abundant number, since it is smaller than the sum of its proper divisors (111506601348).

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

51024931452 is a wasteful number, since it uses less digits than its factorization.

51024931452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 51024931452 in words is "fifty-one billion, twenty-four million, nine hundred thirty-one thousand, four hundred fifty-two".