53501306537 has 8 divisors (see below), whose sum is σ = 62445294336. Its totient is φ = 44882554752.

The previous prime is 53501306501. The next prime is 53501306557. The reversal of 53501306537 is 73560310535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53501306537 - 2¹⁰ = 53501305513 is a prime.

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 53501306537.

It is not an unprimeable number, because it can be changed into a prime (53501306557) 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 7 ways as a sum of consecutive naturals, for example, 81308648 + ... + 81309305.

It is an arithmetic number, because the mean of its divisors is an integer number (7805661792).

Almost surely, 2^53501306537 is an apocalyptic number.

It is an amenable number.

53501306537 is a deficient number, since it is larger than the sum of its proper divisors (8943987799).

53501306537 is a wasteful number, since it uses less digits than its factorization.

53501306537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162618007.

The product of its (nonzero) digits is 141750, while the sum is 38.

The spelling of 53501306537 in words is "fifty-three billion, five hundred one million, three hundred six thousand, five hundred thirty-seven".