6245055557 has 16 divisors (see below), whose sum is σ = 6759749808. Its totient is φ = 5735331840.

The previous prime is 6245055511. The next prime is 6245055577. The reversal of 6245055557 is 7555505426.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40972801 + 6204082756 = 6401^2 + 78766^2 .

It is a cyclic number.

It is not a de Polignac number, because 6245055557 - 2⁸ = 6245055301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245055577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357313 + ... + 4358745.

It is an arithmetic number, because the mean of its divisors is an integer number (422484363).

Almost surely, 2^6245055557 is an apocalyptic number.

It is an amenable number.

6245055557 is a deficient number, since it is larger than the sum of its proper divisors (514694251).

6245055557 is a wasteful number, since it uses less digits than its factorization.

6245055557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 1050000, while the sum is 44.

The square root of 6245055557 is about 79025.6639136933. The cubic root of 6245055557 is about 1841.5298749373.

The spelling of 6245055557 in words is "six billion, two hundred forty-five million, fifty-five thousand, five hundred fifty-seven".