51601010547 has 4 divisors (see below), whose sum is σ = 68801347400. Its totient is φ = 34400673696.

The previous prime is 51601010533. The next prime is 51601010551. The reversal of 51601010547 is 74501010615.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51601010547 - 2¹⁸ = 51600748403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51601010647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600168422 + ... + 8600168427.

It is an arithmetic number, because the mean of its divisors is an integer number (17200336850).

Almost surely, 2^51601010547 is an apocalyptic number.

51601010547 is a deficient number, since it is larger than the sum of its proper divisors (17200336853).

51601010547 is a wasteful number, since it uses less digits than its factorization.

51601010547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200336852.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 51601010547 in words is "fifty-one billion, six hundred one million, ten thousand, five hundred forty-seven".