51448472470716 has 48 divisors (see below), whose sum is σ = 126365309938560. Its totient is φ = 16246803666240.

The previous prime is 51448472470699. The next prime is 51448472470721. The reversal of 51448472470716 is 61707427484415.

It is a super-2 number, since 2×51448472470716² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51448472470716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57308586 + ... + 58199406.

It is an arithmetic number, because the mean of its divisors is an integer number (2632610623720).

Almost surely, 2^{51448472470716} is an apocalyptic number.

It is an amenable number.

51448472470716 is an abundant number, since it is smaller than the sum of its proper divisors (74916837467844).

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

51448472470716 is a wasteful number, since it uses less digits than its factorization.

51448472470716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144154 (or 1144152 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 60.

The spelling of 51448472470716 in words is "fifty-one trillion, four hundred forty-eight billion, four hundred seventy-two million, four hundred seventy thousand, seven hundred sixteen".