51106554571 has 8 divisors (see below), whose sum is σ = 52356049200. Its totient is φ = 49857202560.

The previous prime is 51106554529. The next prime is 51106554607. The reversal of 51106554571 is 17545560115.

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

It is a cyclic number.

It is not a de Polignac number, because 51106554571 - 2²¹ = 51104457419 is a prime.

It is a super-2 number, since 2×51106554571² (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 (51106554071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242940 + ... + 1283398.

It is an arithmetic number, because the mean of its divisors is an integer number (6544506150).

Almost surely, 2^51106554571 is an apocalyptic number.

51106554571 is a deficient number, since it is larger than the sum of its proper divisors (1249494629).

51106554571 is a wasteful number, since it uses less digits than its factorization.

51106554571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71309.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 51106554571 in words is "fifty-one billion, one hundred six million, five hundred fifty-four thousand, five hundred seventy-one".