51724671671432 has 32 divisors (see below), whose sum is σ = 98328023350200. Its totient is φ = 25503978737664.

The previous prime is 51724671671401. The next prime is 51724671671441. The reversal of 51724671671432 is 23417617642715.

It can be written as a sum of positive squares in 4 ways, for example, as 45950041593316 + 5774630078116 = 6778646^2 + 2403046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3423557 + ... + 10731732.

Almost surely, 2^{51724671671432} is an apocalyptic number.

It is an amenable number.

51724671671432 is a deficient number, since it is larger than the sum of its proper divisors (46603351678768).

51724671671432 is a wasteful number, since it uses less digits than its factorization.

51724671671432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161625 (or 14161621 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 56.

The spelling of 51724671671432 in words is "fifty-one trillion, seven hundred twenty-four billion, six hundred seventy-one million, six hundred seventy-one thousand, four hundred thirty-two".