51572007441 has 6 divisors (see below), whose sum is σ = 74492899650. Its totient is φ = 34381338288.

The previous prime is 51572007437. The next prime is 51572007451. The reversal of 51572007441 is 14470027515.

51572007441 is a `hidden beast` number, since 5 + 1 + 5 + 7 + 200 + 7 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48266332416 + 3305675025 = 219696^2 + 57495^2 .

It is not a de Polignac number, because 51572007441 - 2² = 51572007437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51572007396 and 51572007405.

It is not an unprimeable number, because it can be changed into a prime (51572007451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2865111516 + ... + 2865111533.

It is an arithmetic number, because the mean of its divisors is an integer number (12415483275).

Almost surely, 2^51572007441 is an apocalyptic number.

It is an amenable number.

51572007441 is a deficient number, since it is larger than the sum of its proper divisors (22920892209).

51572007441 is a wasteful number, since it uses less digits than its factorization.

51572007441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730223055 (or 5730223052 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 51572007441 in words is "fifty-one billion, five hundred seventy-two million, seven thousand, four hundred forty-one".