51504122355 has 16 divisors (see below), whose sum is σ = 94178966784. Its totient is φ = 23544741600.

The previous prime is 51504122347. The next prime is 51504122413. The reversal of 51504122355 is 55322140515.

It is not a de Polignac number, because 51504122355 - 2³ = 51504122347 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 245257621 + ... + 245257830.

It is an arithmetic number, because the mean of its divisors is an integer number (5886185424).

Almost surely, 2^51504122355 is an apocalyptic number.

51504122355 is a deficient number, since it is larger than the sum of its proper divisors (42674844429).

51504122355 is a wasteful number, since it uses less digits than its factorization.

51504122355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490515466.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 51504122355 in words is "fifty-one billion, five hundred four million, one hundred twenty-two thousand, three hundred fifty-five".