51541624996 has 12 divisors (see below), whose sum is σ = 90263835648. Its totient is φ = 25751957672.

The previous prime is 51541624969. The next prime is 51541624997. The reversal of 51541624996 is 69942614515.

It is not an unprimeable number, because it can be changed into a prime (51541624997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707556 + ... + 4718491.

It is an arithmetic number, because the mean of its divisors is an integer number (7521986304).

Almost surely, 2^51541624996 is an apocalyptic number.

It is an amenable number.

51541624996 is a deficient number, since it is larger than the sum of its proper divisors (38722210652).

51541624996 is a wasteful number, since it uses less digits than its factorization.

51541624996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9427418 (or 9427416 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 51541624996 in words is "fifty-one billion, five hundred forty-one million, six hundred twenty-four thousand, nine hundred ninety-six".