51645602110 has 16 divisors (see below), whose sum is σ = 94082110416. Its totient is φ = 20409346048.

The previous prime is 51645602089. The next prime is 51645602131. The reversal of 51645602110 is 1120654615.

It is an interprime number because it is at equal distance from previous prime (51645602089) and next prime (51645602131).

It is a congruent number.

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, 31110979 + ... + 31112638.

It is an arithmetic number, because the mean of its divisors is an integer number (5880131901).

Almost surely, 2^51645602110 is an apocalyptic number.

51645602110 is a deficient number, since it is larger than the sum of its proper divisors (42436508306).

51645602110 is a wasteful number, since it uses less digits than its factorization.

51645602110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62223707.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 51645602110 in words is "fifty-one billion, six hundred forty-five million, six hundred two thousand, one hundred ten".