53515252373 has 6 divisors (see below), whose sum is σ = 58822550262. Its totient is φ = 48650229320.

The previous prime is 53515252367. The next prime is 53515252393. The reversal of 53515252373 is 37325251535.

It can be written as a sum of positive squares in only one way, i.e., 52970403409 + 544848964 = 230153^2 + 23342^2 .

It is not a de Polignac number, because 53515252373 - 2⁸ = 53515252117 is a prime.

It is a super-2 number, since 2×53515252373² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53515252373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53515252363) 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 5 ways as a sum of consecutive naturals, for example, 221137286 + ... + 221137527.

It is an arithmetic number, because the mean of its divisors is an integer number (9803758377).

Almost surely, 2^53515252373 is an apocalyptic number.

It is an amenable number.

53515252373 is a deficient number, since it is larger than the sum of its proper divisors (5307297889).

53515252373 is a wasteful number, since it uses less digits than its factorization.

53515252373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442274835 (or 442274824 counting only the distinct ones).

The product of its digits is 472500, while the sum is 41.

The spelling of 53515252373 in words is "fifty-three billion, five hundred fifteen million, two hundred fifty-two thousand, three hundred seventy-three".