51025352053 has 16 divisors (see below), whose sum is σ = 56498229760. Its totient is φ = 45776425536.

The previous prime is 51025352033. The next prime is 51025352113. The reversal of 51025352053 is 35025352015.

It is a cyclic number.

It is not a de Polignac number, because 51025352053 - 2³³ = 42435417461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51025352033) 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, 377788 + ... + 494746.

It is an arithmetic number, because the mean of its divisors is an integer number (3531139360).

Almost surely, 2^51025352053 is an apocalyptic number.

It is an amenable number.

51025352053 is a deficient number, since it is larger than the sum of its proper divisors (5472877707).

51025352053 is a wasteful number, since it uses less digits than its factorization.

51025352053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117916.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 51025352053 in words is "fifty-one billion, twenty-five million, three hundred fifty-two thousand, fifty-three".