5556728453 has 2 divisors, whose sum is σ = 5556728454. Its totient is φ = 5556728452.

The previous prime is 5556728431. The next prime is 5556728459. The reversal of 5556728453 is 3548276555.

5556728453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5234956609 + 321771844 = 72353^2 + 17938^2 .

It is a cyclic number.

It is not a de Polignac number, because 5556728453 - 2⁶ = 5556728389 is a prime.

It is a super-2 number, since 2×5556728453² = 61754462200759546418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556728459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778364226 + 2778364227.

It is an arithmetic number, because the mean of its divisors is an integer number (2778364227).

Almost surely, 2^5556728453 is an apocalyptic number.

It is an amenable number.

5556728453 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556728453 is an equidigital number, since it uses as much as digits as its factorization.

5556728453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040000, while the sum is 50.

The square root of 5556728453 is about 74543.4668700081. The cubic root of 5556728453 is about 1771.2222454861. Note that the first 4 decimals are identical.

The spelling of 5556728453 in words is "five billion, five hundred fifty-six million, seven hundred twenty-eight thousand, four hundred fifty-three".