51057555755 has 16 divisors (see below), whose sum is σ = 61908537600. Its totient is φ = 40421624160.

The previous prime is 51057555751. The next prime is 51057555821. The reversal of 51057555755 is 55755575015.

It is not a de Polignac number, because 51057555755 - 2² = 51057555751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51057555751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98036 + ... + 334254.

It is an arithmetic number, because the mean of its divisors is an integer number (3869283600).

Almost surely, 2^51057555755 is an apocalyptic number.

51057555755 is a deficient number, since it is larger than the sum of its proper divisors (10850981845).

51057555755 is a wasteful number, since it uses less digits than its factorization.

51057555755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236674.

The product of its (nonzero) digits is 3828125, while the sum is 50.

The spelling of 51057555755 in words is "fifty-one billion, fifty-seven million, five hundred fifty-five thousand, seven hundred fifty-five".