51544126402 has 32 divisors (see below), whose sum is σ = 86899000320. Its totient is φ = 22810954320.

The previous prime is 51544126357. The next prime is 51544126433. The reversal of 51544126402 is 20462144515.

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 15 ways as a sum of consecutive naturals, for example, 648174 + ... + 723337.

It is an arithmetic number, because the mean of its divisors is an integer number (2715593760).

Almost surely, 2^51544126402 is an apocalyptic number.

51544126402 is a deficient number, since it is larger than the sum of its proper divisors (35354873918).

51544126402 is a wasteful number, since it uses less digits than its factorization.

51544126402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371598.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 51544126402 in words is "fifty-one billion, five hundred forty-four million, one hundred twenty-six thousand, four hundred two".