51550417525 has 12 divisors (see below), whose sum is σ = 64225474624. Its totient is φ = 41044878000.

The previous prime is 51550417489. The next prime is 51550417531. The reversal of 51550417525 is 52571405515.

It is not a de Polignac number, because 51550417525 - 2⁹ = 51550417013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4881021 + ... + 4891570.

Almost surely, 2^51550417525 is an apocalyptic number.

It is an amenable number.

51550417525 is a deficient number, since it is larger than the sum of its proper divisors (12675057099).

51550417525 is a wasteful number, since it uses less digits than its factorization.

51550417525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772812 (or 9772807 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 51550417525 in words is "fifty-one billion, five hundred fifty million, four hundred seventeen thousand, five hundred twenty-five".