53503352511 has 8 divisors (see below), whose sum is σ = 81528918144. Its totient is φ = 30573344280.

The previous prime is 53503352509. The next prime is 53503352521. The reversal of 53503352511 is 11525330535.

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 53503352511 - 2¹ = 53503352509 is a prime.

It is a super-3 number, since 3×53503352511³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503352521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273889325 + ... + 1273889366.

It is an arithmetic number, because the mean of its divisors is an integer number (10191114768).

Almost surely, 2^53503352511 is an apocalyptic number.

53503352511 is a deficient number, since it is larger than the sum of its proper divisors (28025565633).

53503352511 is a wasteful number, since it uses less digits than its factorization.

53503352511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547778701.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 53503352511 in words is "fifty-three billion, five hundred three million, three hundred fifty-two thousand, five hundred eleven".