51551606510 has 32 divisors (see below), whose sum is σ = 95401037952. Its totient is φ = 20045602080.

The previous prime is 51551606507. The next prime is 51551606527. The reversal of 51551606510 is 1560615515.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193364 + ... + 374823.

It is an arithmetic number, because the mean of its divisors is an integer number (2981282436).

Almost surely, 2^51551606510 is an apocalyptic number.

51551606510 is a deficient number, since it is larger than the sum of its proper divisors (43849431442).

51551606510 is a wasteful number, since it uses less digits than its factorization.

51551606510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568448.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51551606510 in words is "fifty-one billion, five hundred fifty-one million, six hundred six thousand, five hundred ten".