51632514043536 has 160 divisors (see below), whose sum is σ = 138335581313280. Its totient is φ = 16581107884032.

The previous prime is 51632514043483. The next prime is 51632514043541. The reversal of 51632514043536 is 63534041523615.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2676775780 + ... + 2676795068.

It is an arithmetic number, because the mean of its divisors is an integer number (864597383208).

Almost surely, 2^{51632514043536} 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 51632514043536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69167790656640).

51632514043536 is an abundant number, since it is smaller than the sum of its proper divisors (86703067269744).

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

51632514043536 is a wasteful number, since it uses less digits than its factorization.

51632514043536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34073 (or 34067 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 51632514043536 in words is "fifty-one trillion, six hundred thirty-two billion, five hundred fourteen million, forty-three thousand, five hundred thirty-six".