5423645888 has 56 divisors (see below), whose sum is σ = 11434724400. Its totient is φ = 2547514368.

The previous prime is 5423645879. The next prime is 5423645897. The reversal of 5423645888 is 8885463245.

It is an interprime number because it is at equal distance from previous prime (5423645879) and next prime (5423645897).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29183 + ... + 108161.

Almost surely, 2^5423645888 is an apocalyptic number.

5423645888 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5423645888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5717362200).

5423645888 is an abundant number, since it is smaller than the sum of its proper divisors (6011078512).

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

5423645888 is a wasteful number, since it uses less digits than its factorization.

5423645888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79057 (or 79047 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 53.

The square root of 5423645888 is about 73645.4064283713. The cubic root of 5423645888 is about 1756.9676918526.

The spelling of 5423645888 in words is "five billion, four hundred twenty-three million, six hundred forty-five thousand, eight hundred eighty-eight".