51124614647 has 8 divisors (see below), whose sum is σ = 51179310000. Its totient is φ = 51069952384.

The previous prime is 51124614601. The next prime is 51124614677. The reversal of 51124614647 is 74641642115.

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 51124614647 - 2¹⁰ = 51124613623 is a prime.

It is a super-2 number, since 2×51124614647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51124614677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084703 + ... + 4097199.

It is an arithmetic number, because the mean of its divisors is an integer number (6397413750).

Almost surely, 2^51124614647 is an apocalyptic number.

51124614647 is a deficient number, since it is larger than the sum of its proper divisors (54695353).

51124614647 is a wasteful number, since it uses less digits than its factorization.

51124614647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16545.

The product of its digits is 161280, while the sum is 41.

The spelling of 51124614647 in words is "fifty-one billion, one hundred twenty-four million, six hundred fourteen thousand, six hundred forty-seven".