51098519736 has 192 divisors, whose sum is σ = 156392359200. Its totient is φ = 15447168000.

The previous prime is 51098519729. The next prime is 51098519837. The reversal of 51098519736 is 63791589015.

51098519736 is a `hidden beast` number, since 5 + 1 + 0 + 98 + 519 + 7 + 36 = 666.

It is a super-2 number, since 2×51098519736² (a number of 22 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, 12046576 + ... + 12050816.

Almost surely, 2^51098519736 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 51098519736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78196179600).

51098519736 is an abundant number, since it is smaller than the sum of its proper divisors (105293839464).

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

51098519736 is a wasteful number, since it uses less digits than its factorization.

51098519736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 51098519736 in words is "fifty-one billion, ninety-eight million, five hundred nineteen thousand, seven hundred thirty-six".