51435350525 has 24 divisors (see below), whose sum is σ = 68947253760. Its totient is φ = 37838543040.

The previous prime is 51435350503. The next prime is 51435350557. The reversal of 51435350525 is 52505353415.

It is not a de Polignac number, because 51435350525 - 2⁸ = 51435350269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215405 + ... + 386354.

It is an arithmetic number, because the mean of its divisors is an integer number (2872802240).

Almost surely, 2^51435350525 is an apocalyptic number.

It is an amenable number.

51435350525 is a deficient number, since it is larger than the sum of its proper divisors (17511903235).

51435350525 is a wasteful number, since it uses less digits than its factorization.

51435350525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602045 (or 602040 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 51435350525 in words is "fifty-one billion, four hundred thirty-five million, three hundred fifty thousand, five hundred twenty-five".