5351638788 has 96 divisors (see below), whose sum is σ = 14232261120. Its totient is φ = 1738104480.

The previous prime is 5351638759. The next prime is 5351638793. The reversal of 5351638788 is 8878361535.

5351638788 is a `hidden beast` number, since 53 + 516 + 3 + 8 + 78 + 8 = 666.

It is a super-2 number, since 2×5351638788² = 57280075434452217888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2279031 + ... + 2281377.

It is an arithmetic number, because the mean of its divisors is an integer number (148252720).

Almost surely, 2^5351638788 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 5351638788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7116130560).

5351638788 is an abundant number, since it is smaller than the sum of its proper divisors (8880622332).

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

5351638788 is a wasteful number, since it uses less digits than its factorization.

5351638788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2886 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 5351638788 is about 73154.8958580354. The cubic root of 5351638788 is about 1749.1575578369.

The spelling of 5351638788 in words is "five billion, three hundred fifty-one million, six hundred thirty-eight thousand, seven hundred eighty-eight".