51352671653782 has 16 divisors (see below), whose sum is σ = 77484339240912. Its totient is φ = 25524597184480.

The previous prime is 51352671653771. The next prime is 51352671653791. The reversal of 51352671653782 is 28735617625315.

It is a super-2 number, since 2×51352671653782² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51352671653782.

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, 6987733 + ... + 12309904.

It is an arithmetic number, because the mean of its divisors is an integer number (4842771202557).

Almost surely, 2^{51352671653782} is an apocalyptic number.

51352671653782 is a deficient number, since it is larger than the sum of its proper divisors (26131667587130).

51352671653782 is a wasteful number, since it uses less digits than its factorization.

51352671653782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19305503.

The product of its digits is 63504000, while the sum is 61.

The spelling of 51352671653782 in words is "fifty-one trillion, three hundred fifty-two billion, six hundred seventy-one million, six hundred fifty-three thousand, seven hundred eighty-two".