51546541996 has 24 divisors (see below), whose sum is σ = 90528784416. Its totient is φ = 25681244160.

The previous prime is 51546541979. The next prime is 51546541997. The reversal of 51546541996 is 69914564515.

It is not an unprimeable number, because it can be changed into a prime (51546541997) 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, 3653676 + ... + 3667756.

It is an arithmetic number, because the mean of its divisors is an integer number (3772032684).

Almost surely, 2^51546541996 is an apocalyptic number.

It is an amenable number.

51546541996 is a deficient number, since it is larger than the sum of its proper divisors (38982242420).

51546541996 is a wasteful number, since it uses less digits than its factorization.

51546541996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17289 (or 17287 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 55.

The spelling of 51546541996 in words is "fifty-one billion, five hundred forty-six million, five hundred forty-one thousand, nine hundred ninety-six".