51775861410 has 192 divisors, whose sum is σ = 165814871040. Its totient is φ = 10915430400.

The previous prime is 51775861331. The next prime is 51775861421. The reversal of 51775861410 is 1416857715.

51775861410 is a `hidden beast` number, since 5 + 17 + 7 + 5 + 8 + 614 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19253346 + ... + 19256034.

It is an arithmetic number, because the mean of its divisors is an integer number (863619120).

Almost surely, 2^51775861410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51775861410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82907435520).

51775861410 is an abundant number, since it is smaller than the sum of its proper divisors (114039009630).

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

51775861410 is a wasteful number, since it uses less digits than its factorization.

51775861410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 51775861410 in words is "fifty-one billion, seven hundred seventy-five million, eight hundred sixty-one thousand, four hundred ten".