51343047383772 has 48 divisors (see below), whose sum is σ = 120096879733152. Its totient is φ = 17072053474560.

The previous prime is 51343047383659. The next prime is 51343047383777. The reversal of 51343047383772 is 27738374034315.

It is a super-2 number, since 2×51343047383772² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343047383777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582638 + ... + 11121450.

It is an arithmetic number, because the mean of its divisors is an integer number (2502018327774).

Almost surely, 2^{51343047383772} is an apocalyptic number.

It is an amenable number.

51343047383772 is an abundant number, since it is smaller than the sum of its proper divisors (68753832349380).

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

51343047383772 is a wasteful number, since it uses less digits than its factorization.

51343047383772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6540438 (or 6540436 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 57.

The spelling of 51343047383772 in words is "fifty-one trillion, three hundred forty-three billion, forty-seven million, three hundred eighty-three thousand, seven hundred seventy-two".