51586401174 has 96 divisors (see below), whose sum is σ = 136427101440. Its totient is φ = 12693827520.

The previous prime is 51586401173. The next prime is 51586401203. The reversal of 51586401174 is 47110468515.

It is a super-2 number, since 2×51586401174² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51586401173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170569 + ... + 363684.

It is an arithmetic number, because the mean of its divisors is an integer number (1421115640).

Almost surely, 2^51586401174 is an apocalyptic number.

51586401174 is an abundant number, since it is smaller than the sum of its proper divisors (84840700266).

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

51586401174 is a wasteful number, since it uses less digits than its factorization.

51586401174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534306 (or 534295 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 51586401174 its reverse (47110468515), we get a palindrome (98696869689).

The spelling of 51586401174 in words is "fifty-one billion, five hundred eighty-six million, four hundred one thousand, one hundred seventy-four".