53511243330 has 16 divisors (see below), whose sum is σ = 128426984064. Its totient is φ = 14269664880.

The previous prime is 53511243301. The next prime is 53511243347. The reversal of 53511243330 is 3334211535.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1783708111 = 53511243330 / (5 + 3 + 5 + 1 + 1 + 2 + 4 + 3 + 3 + 3 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891854026 + ... + 891854085.

It is an arithmetic number, because the mean of its divisors is an integer number (8026686504).

Almost surely, 2^53511243330 is an apocalyptic number.

53511243330 is an abundant number, since it is smaller than the sum of its proper divisors (74915740734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53511243330 is a wasteful number, since it uses less digits than its factorization.

53511243330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783708121.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 53511243330 its reverse (3334211535), we get a palindrome (56845454865).

The spelling of 53511243330 in words is "fifty-three billion, five hundred eleven million, two hundred forty-three thousand, three hundred thirty".