2553552401 has 4 divisors (see below), whose sum is σ = 2554212900. Its totient is φ = 2552891904.

The previous prime is 2553552389. The next prime is 2553552461. The reversal of 2553552401 is 1042553552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 897062401 + 1656490000 = 29951^2 + 40700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553552401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2553552461) 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, 324416 + ... + 332193.

It is an arithmetic number, because the mean of its divisors is an integer number (638553225).

Almost surely, 2^2553552401 is an apocalyptic number.

It is an amenable number.

2553552401 is a deficient number, since it is larger than the sum of its proper divisors (660499).

2553552401 is an equidigital number, since it uses as much as digits as its factorization.

2553552401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660498.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2553552401 is about 50532.6864613391. The cubic root of 2553552401 is about 1366.8313294030.

The spelling of 2553552401 in words is "two billion, five hundred fifty-three million, five hundred fifty-two thousand, four hundred one".