53453210811 has 64 divisors (see below), whose sum is σ = 96640459776. Its totient is φ = 25377984000.

The previous prime is 53453210711. The next prime is 53453210821. The reversal of 53453210811 is 11801235435.

53453210811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53453210811 - 2⁹ = 53453210299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (53453210821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215185 + ... + 391421.

It is an arithmetic number, because the mean of its divisors is an integer number (1510007184).

Almost surely, 2^53453210811 is an apocalyptic number.

53453210811 is a deficient number, since it is larger than the sum of its proper divisors (43187248965).

53453210811 is a wasteful number, since it uses less digits than its factorization.

53453210811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176372.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 53453210811 in words is "fifty-three billion, four hundred fifty-three million, two hundred ten thousand, eight hundred eleven".