2553453400403 has 8 divisors (see below), whose sum is σ = 2664540967200. Its totient is φ = 2442371488128.

The previous prime is 2553453400363. The next prime is 2553453400409. The reversal of 2553453400403 is 3040043543552.

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 2553453400403 - 2¹⁰ = 2553453399379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553453400409) 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, 477638 + ... + 2309771.

It is an arithmetic number, because the mean of its divisors is an integer number (333067620900).

Almost surely, 2^{2553453400403} is an apocalyptic number.

2553453400403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2553453400403 is a deficient number, since it is larger than the sum of its proper divisors (111087566797).

2553453400403 is a wasteful number, since it uses less digits than its factorization.

2553453400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827261.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 2553453400403 its reverse (3040043543552), we get a palindrome (5593496943955).

The spelling of 2553453400403 in words is "two trillion, five hundred fifty-three billion, four hundred fifty-three million, four hundred thousand, four hundred three".