51555214124 has 24 divisors (see below), whose sum is σ = 92835610560. Its totient is φ = 25037452944.

The previous prime is 51555214079. The next prime is 51555214133. The reversal of 51555214124 is 42141255515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806474 + ... + 868049.

It is an arithmetic number, because the mean of its divisors is an integer number (3868150440).

Almost surely, 2^51555214124 is an apocalyptic number.

It is an amenable number.

51555214124 is a deficient number, since it is larger than the sum of its proper divisors (41280396436).

51555214124 is a wasteful number, since it uses less digits than its factorization.

51555214124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674749 (or 1674747 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

Adding to 51555214124 its reverse (42141255515), we get a palindrome (93696469639).

The spelling of 51555214124 in words is "fifty-one billion, five hundred fifty-five million, two hundred fourteen thousand, one hundred twenty-four".