51473866571 has 8 divisors (see below), whose sum is σ = 52873569360. Its totient is φ = 50074612128.

The previous prime is 51473866553. The next prime is 51473866583. The reversal of 51473866571 is 17566837415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51473866571 is a prime.

It is a super-2 number, since 2×51473866571² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51473866271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127520 + ... + 345266.

It is an arithmetic number, because the mean of its divisors is an integer number (6609196170).

Almost surely, 2^51473866571 is an apocalyptic number.

51473866571 is a deficient number, since it is larger than the sum of its proper divisors (1399702789).

51473866571 is a wasteful number, since it uses less digits than its factorization.

51473866571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224173.

The product of its digits is 4233600, while the sum is 53.

The spelling of 51473866571 in words is "fifty-one billion, four hundred seventy-three million, eight hundred sixty-six thousand, five hundred seventy-one".