51656100625244 has 12 divisors (see below), whose sum is σ = 91293207541368. Its totient is φ = 25572327042000.

The previous prime is 51656100625231. The next prime is 51656100625319. The reversal of 51656100625244 is 44252600165615.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63930817202 + ... + 63930818009.

It is an arithmetic number, because the mean of its divisors is an integer number (7607767295114).

Almost surely, 2^{51656100625244} is an apocalyptic number.

It is an amenable number.

51656100625244 is a deficient number, since it is larger than the sum of its proper divisors (39637106916124).

51656100625244 is a wasteful number, since it uses less digits than its factorization.

51656100625244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127861635316 (or 127861635314 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 51656100625244 in words is "fifty-one trillion, six hundred fifty-six billion, one hundred million, six hundred twenty-five thousand, two hundred forty-four".