51964545276 has 300 divisors, whose sum is σ = 161003743208. Its totient is φ = 14610746304.

The previous prime is 51964545263. The next prime is 51964545287. The reversal of 51964545276 is 67254546915.

51964545276 is a `hidden beast` number, since 5 + 1 + 9 + 64 + 54 + 527 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 52120410 + ... + 52121406.

Almost surely, 2^51964545276 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 51964545276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80501871604).

51964545276 is an abundant number, since it is smaller than the sum of its proper divisors (109039197932).

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

51964545276 is an equidigital number, since it uses as much as digits as its factorization.

51964545276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1076 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 51964545276 in words is "fifty-one billion, nine hundred sixty-four million, five hundred forty-five thousand, two hundred seventy-six".