5257555698 has 8 divisors (see below), whose sum is σ = 10515111408. Its totient is φ = 1752518564.

The previous prime is 5257555669. The next prime is 5257555733. The reversal of 5257555698 is 8965557525.

It is a sphenic number, since it is the product of 3 distinct primes.

5257555698 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438129636 + ... + 438129647.

It is an arithmetic number, because the mean of its divisors is an integer number (1314388926).

Almost surely, 2^5257555698 is an apocalyptic number.

5257555698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5257555698 is a wasteful number, since it uses less digits than its factorization.

5257555698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876259288.

The product of its digits is 18900000, while the sum is 57.

The square root of 5257555698 is about 72509.0042546441. The cubic root of 5257555698 is about 1738.8466944489.

The spelling of 5257555698 in words is "five billion, two hundred fifty-seven million, five hundred fifty-five thousand, six hundred ninety-eight".