53501405311 has 8 divisors (see below), whose sum is σ = 55916043264. Its totient is φ = 51094141560.

The previous prime is 53501405239. The next prime is 53501405401. The reversal of 53501405311 is 11350410535.

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

It is a cyclic number.

It is not a de Polignac number, because 53501405311 - 2¹⁹ = 53500881023 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 53501405311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501400311) 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, 1828711 + ... + 1857736.

It is an arithmetic number, because the mean of its divisors is an integer number (6989505408).

Almost surely, 2^53501405311 is an apocalyptic number.

53501405311 is a deficient number, since it is larger than the sum of its proper divisors (2414637953).

53501405311 is a wasteful number, since it uses less digits than its factorization.

53501405311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687101.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 53501405311 its reverse (11350410535), we get a palindrome (64851815846).

The spelling of 53501405311 in words is "fifty-three billion, five hundred one million, four hundred five thousand, three hundred eleven".