5421155628 has 96 divisors (see below), whose sum is σ = 15287021568. Its totient is φ = 1462348800.

The previous prime is 5421155627. The next prime is 5421155651. The reversal of 5421155628 is 8265511245.

It is not an unprimeable number, because it can be changed into a prime (5421155627) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 81376 + ... + 132152.

It is an arithmetic number, because the mean of its divisors is an integer number (159239808).

Almost surely, 2^5421155628 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 5421155628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7643510784).

5421155628 is an abundant number, since it is smaller than the sum of its proper divisors (9865865940).

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

5421155628 is a wasteful number, since it uses less digits than its factorization.

5421155628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50863 (or 50861 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The square root of 5421155628 is about 73628.4973906164. The cubic root of 5421155628 is about 1756.6987475383.

The spelling of 5421155628 in words is "five billion, four hundred twenty-one million, one hundred fifty-five thousand, six hundred twenty-eight".