51445255670 has 32 divisors (see below), whose sum is σ = 98220504096. Its totient is φ = 19333670400.

The previous prime is 51445255661. The next prime is 51445255753. The reversal of 51445255670 is 7655254415.

It is a super-2 number, since 2×51445255670² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167921 + ... + 362060.

It is an arithmetic number, because the mean of its divisors is an integer number (3069390753).

Almost surely, 2^51445255670 is an apocalyptic number.

51445255670 is a deficient number, since it is larger than the sum of its proper divisors (46775248426).

51445255670 is a wasteful number, since it uses less digits than its factorization.

51445255670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530576.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 51445255670 in words is "fifty-one billion, four hundred forty-five million, two hundred fifty-five thousand, six hundred seventy".