51572007426 has 16 divisors (see below), whose sum is σ = 103931375328. Its totient is φ = 17059442400.

The previous prime is 51572007419. The next prime is 51572007437. The reversal of 51572007426 is 62470027515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32805835 + ... + 32807406.

It is an arithmetic number, because the mean of its divisors is an integer number (6495710958).

Almost surely, 2^51572007426 is an apocalyptic number.

51572007426 is an abundant number, since it is smaller than the sum of its proper divisors (52359367902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51572007426 is a wasteful number, since it uses less digits than its factorization.

51572007426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65613377.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 51572007426 in words is "fifty-one billion, five hundred seventy-two million, seven thousand, four hundred twenty-six".