53401251233 has 4 divisors (see below), whose sum is σ = 58255910448. Its totient is φ = 48546592020.

The previous prime is 53401251187. The next prime is 53401251271. The reversal of 53401251233 is 33215210435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53401251233 - 2⁸ = 53401250977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53401251196 and 53401251205.

It is not an unprimeable number, because it can be changed into a prime (53403251233) 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, 2427329591 + ... + 2427329612.

It is an arithmetic number, because the mean of its divisors is an integer number (14563977612).

Almost surely, 2^53401251233 is an apocalyptic number.

It is an amenable number.

53401251233 is a deficient number, since it is larger than the sum of its proper divisors (4854659215).

53401251233 is a wasteful number, since it uses less digits than its factorization.

53401251233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854659214.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 53401251233 its reverse (33215210435), we get a palindrome (86616461668).

The spelling of 53401251233 in words is "fifty-three billion, four hundred one million, two hundred fifty-one thousand, two hundred thirty-three".