53351011 has 4 divisors (see below), whose sum is σ = 60972592. Its totient is φ = 45729432.

The previous prime is 53351009. The next prime is 53351021. The reversal of 53351011 is 11015335.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53351011 - 2¹ = 53351009 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 53351011.

It is not an unprimeable number, because it can be changed into a prime (53351021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810780 + ... + 3810793.

It is an arithmetic number, because the mean of its divisors is an integer number (15243148).

Almost surely, 2^53351011 is an apocalyptic number.

53351011 is a deficient number, since it is larger than the sum of its proper divisors (7621581).

53351011 is an equidigital number, since it uses as much as digits as its factorization.

53351011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621580.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 53351011 is about 7304.1776402275. The cubic root of 53351011 is about 376.4559952615.

Adding to 53351011 its reverse (11015335), we get a palindrome (64366346).

The spelling of 53351011 in words is "fifty-three million, three hundred fifty-one thousand, eleven".