51280541653 has 16 divisors (see below), whose sum is σ = 56072580480. Its totient is φ = 46510340800.

The previous prime is 51280541623. The next prime is 51280541659. The reversal of 51280541653 is 35614508215.

It is not a de Polignac number, because 51280541653 - 2¹⁷ = 51280410581 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 (51280541659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9789351 + ... + 9794587.

It is an arithmetic number, because the mean of its divisors is an integer number (3504536280).

Almost surely, 2^51280541653 is an apocalyptic number.

It is an amenable number.

51280541653 is a deficient number, since it is larger than the sum of its proper divisors (4792038827).

51280541653 is a wasteful number, since it uses less digits than its factorization.

51280541653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 51280541653 in words is "fifty-one billion, two hundred eighty million, five hundred forty-one thousand, six hundred fifty-three".