5257615636 has 192 divisors, whose sum is σ = 12381078528. Its totient is φ = 1895104512.

The previous prime is 5257615591. The next prime is 5257615651. The reversal of 5257615636 is 6365167525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46527516 + ... + 46527628.

It is an arithmetic number, because the mean of its divisors is an integer number (64484784).

Almost surely, 2^5257615636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257615636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6190539264).

5257615636 is an abundant number, since it is smaller than the sum of its proper divisors (7123462892).

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

5257615636 is a wasteful number, since it uses less digits than its factorization.

5257615636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The square root of 5257615636 is about 72509.4175676512. The cubic root of 5257615636 is about 1738.8533022468.

The spelling of 5257615636 in words is "five billion, two hundred fifty-seven million, six hundred fifteen thousand, six hundred thirty-six".