53257617120751 has 16 divisors (see below), whose sum is σ = 56980327430880. Its totient is φ = 49600607662080.

The previous prime is 53257617120749. The next prime is 53257617120769. The reversal of 53257617120751 is 15702171675235.

It is a cyclic number.

It is not a de Polignac number, because 53257617120751 - 2¹ = 53257617120749 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 (53257617120731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8559660 + ... + 13408318.

It is an arithmetic number, because the mean of its divisors is an integer number (3561270464430).

Almost surely, 2^{53257617120751} is an apocalyptic number.

53257617120751 is a deficient number, since it is larger than the sum of its proper divisors (3722710310129).

53257617120751 is a wasteful number, since it uses less digits than its factorization.

53257617120751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855434.

The product of its (nonzero) digits is 3087000, while the sum is 52.

Adding to 53257617120751 its reverse (15702171675235), we get a palindrome (68959788795986).

The spelling of 53257617120751 in words is "fifty-three trillion, two hundred fifty-seven billion, six hundred seventeen million, one hundred twenty thousand, seven hundred fifty-one".