51589461276 has 96 divisors (see below), whose sum is σ = 141498560000. Its totient is φ = 16209414144.

The previous prime is 51589461271. The next prime is 51589461359. The reversal of 51589461276 is 67216498515.

It is a happy number.

51589461276 is a `hidden beast` number, since 5 + 1 + 589 + 46 + 12 + 7 + 6 = 666.

It is a super-2 number, since 2×51589461276² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51589461271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345180 + ... + 471516.

Almost surely, 2^51589461276 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 51589461276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70749280000).

51589461276 is an abundant number, since it is smaller than the sum of its proper divisors (89909098724).

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

51589461276 is a wasteful number, since it uses less digits than its factorization.

51589461276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126568 (or 126560 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 51589461276 in words is "fifty-one billion, five hundred eighty-nine million, four hundred sixty-one thousand, two hundred seventy-six".