53511222451 has 8 divisors (see below), whose sum is σ = 56349803520. Its totient is φ = 50674861512.

The previous prime is 53511222449. The next prime is 53511222511. The reversal of 53511222451 is 15422211535.

53511222451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53511222451 - 2¹ = 53511222449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53511222421) 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, 505435 + ... + 602068.

It is an arithmetic number, because the mean of its divisors is an integer number (7043725440).

Almost surely, 2^53511222451 is an apocalyptic number.

53511222451 is a deficient number, since it is larger than the sum of its proper divisors (2838581069).

53511222451 is a wasteful number, since it uses less digits than its factorization.

53511222451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110065.

The product of its digits is 12000, while the sum is 31.

Adding to 53511222451 its reverse (15422211535), we get a palindrome (68933433986).

The spelling of 53511222451 in words is "fifty-three billion, five hundred eleven million, two hundred twenty-two thousand, four hundred fifty-one".