51584555130 has 128 divisors (see below), whose sum is σ = 127277568000. Its totient is φ = 13376563200.

The previous prime is 51584555123. The next prime is 51584555137. The reversal of 51584555130 is 3155548515.

It is an interprime number because it is at equal distance from previous prime (51584555123) and next prime (51584555137).

It is not an unprimeable number, because it can be changed into a prime (51584555137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55526506 + ... + 55527434.

It is an arithmetic number, because the mean of its divisors is an integer number (994356000).

Almost surely, 2^51584555130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51584555130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63638784000).

51584555130 is an abundant number, since it is smaller than the sum of its proper divisors (75693012870).

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

51584555130 is a wasteful number, since it uses less digits than its factorization.

51584555130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 51584555130 in words is "fifty-one billion, five hundred eighty-four million, five hundred fifty-five thousand, one hundred thirty".