51872552842 has 64 divisors (see below), whose sum is σ = 86759164800. Its totient is φ = 23064698880.

The previous prime is 51872552833. The next prime is 51872552873. The reversal of 51872552842 is 24825527815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87474498 + ... + 87475090.

It is an arithmetic number, because the mean of its divisors is an integer number (1355611950).

Almost surely, 2^51872552842 is an apocalyptic number.

51872552842 is a deficient number, since it is larger than the sum of its proper divisors (34886611958).

51872552842 is a wasteful number, since it uses less digits than its factorization.

51872552842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its digits is 1792000, while the sum is 49.

The spelling of 51872552842 in words is "fifty-one billion, eight hundred seventy-two million, five hundred fifty-two thousand, eight hundred forty-two".