5218627057 has 6 divisors (see below), whose sum is σ = 6070647858. Its totient is φ = 4473108864.

The previous prime is 5218627049. The next prime is 5218627069. The reversal of 5218627057 is 7507268125.

It can be written as a sum of positive squares in only one way, i.e., 5146053696 + 72573361 = 71736^2 + 8519^2 .

It is not a de Polignac number, because 5218627057 - 2³ = 5218627049 is a prime.

It is a super-3 number, since 3×5218627057³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218627087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53251248 + ... + 53251345.

It is an arithmetic number, because the mean of its divisors is an integer number (1011774643).

Almost surely, 2^5218627057 is an apocalyptic number.

It is an amenable number.

5218627057 is a deficient number, since it is larger than the sum of its proper divisors (852020801).

5218627057 is a wasteful number, since it uses less digits than its factorization.

5218627057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106502607 (or 106502600 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 5218627057 is about 72240.0654553967. The cubic root of 5218627057 is about 1734.5443974757.

The spelling of 5218627057 in words is "five billion, two hundred eighteen million, six hundred twenty-seven thousand, fifty-seven".