53423322251 has 4 divisors (see below), whose sum is σ = 57532808592. Its totient is φ = 49313835912.

The previous prime is 53423322221. The next prime is 53423322299. The reversal of 53423322251 is 15222332435.

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

It is a cyclic number.

It is not a de Polignac number, because 53423322251 - 2¹⁸ = 53423060107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423322221) 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, 2054743151 + ... + 2054743176.

It is an arithmetic number, because the mean of its divisors is an integer number (14383202148).

Almost surely, 2^53423322251 is an apocalyptic number.

53423322251 is a deficient number, since it is larger than the sum of its proper divisors (4109486341).

53423322251 is a wasteful number, since it uses less digits than its factorization.

53423322251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109486340.

The product of its digits is 43200, while the sum is 32.

Adding to 53423322251 its reverse (15222332435), we get a palindrome (68645654686).

The spelling of 53423322251 in words is "fifty-three billion, four hundred twenty-three million, three hundred twenty-two thousand, two hundred fifty-one".