51455164410 has 128 divisors (see below), whose sum is σ = 151373214720. Its totient is φ = 12356928000.

The previous prime is 51455164367. The next prime is 51455164441. The reversal of 51455164410 is 1446155415.

51455164410 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 5 + 1 + 644 + 1 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34866 + ... + 322685.

It is an arithmetic number, because the mean of its divisors is an integer number (1182603240).

Almost surely, 2^51455164410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51455164410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75686607360).

51455164410 is an abundant number, since it is smaller than the sum of its proper divisors (99918050310).

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

51455164410 is a wasteful number, since it uses less digits than its factorization.

51455164410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357621 (or 357615 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 51455164410 in words is "fifty-one billion, four hundred fifty-five million, one hundred sixty-four thousand, four hundred ten".