51797636124 has 96 divisors (see below), whose sum is σ = 140150787840. Its totient is φ = 14745934848.

The previous prime is 51797636101. The next prime is 51797636147. The reversal of 51797636124 is 42163679715.

It is an interprime number because it is at equal distance from previous prime (51797636101) and next prime (51797636147).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9054 + ... + 321989.

It is an arithmetic number, because the mean of its divisors is an integer number (1459904040).

Almost surely, 2^51797636124 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 51797636124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70075393920).

51797636124 is an abundant number, since it is smaller than the sum of its proper divisors (88353151716).

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

51797636124 is a wasteful number, since it uses less digits than its factorization.

51797636124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331139 (or 331137 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 51797636124 in words is "fifty-one billion, seven hundred ninety-seven million, six hundred thirty-six thousand, one hundred twenty-four".