51347611 has 16 divisors (see below), whose sum is σ = 59716800. Its totient is φ = 43244928.

The previous prime is 51347609. The next prime is 51347623. The reversal of 51347611 is 11674315.

It is a cyclic number.

It is not a de Polignac number, because 51347611 - 2¹ = 51347609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51347611.

It is not an unprimeable number, because it can be changed into a prime (51347651) 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, 131805 + ... + 132193.

It is an arithmetic number, because the mean of its divisors is an integer number (3732300).

Almost surely, 2^51347611 is an apocalyptic number.

51347611 is a deficient number, since it is larger than the sum of its proper divisors (8369189).

51347611 is a wasteful number, since it uses less digits than its factorization.

51347611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 2520, while the sum is 28.

The square root of 51347611 is about 7165.7247365497. The cubic root of 51347611 is about 371.6836130364.

The spelling of 51347611 in words is "fifty-one million, three hundred forty-seven thousand, six hundred eleven".