5478321546 has 32 divisors (see below), whose sum is σ = 12235248000. Its totient is φ = 1816927200.

The previous prime is 5478321533. The next prime is 5478321571. The reversal of 5478321546 is 6451238745.

5478321546 is a `hidden beast` number, since 5 + 4 + 7 + 83 + 21 + 546 = 666.

It is a super-2 number, since 2×5478321546² = 60024013922735660232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244155 + ... + 265646.

It is an arithmetic number, because the mean of its divisors is an integer number (382351500).

Almost surely, 2^5478321546 is an apocalyptic number.

5478321546 is an abundant number, since it is smaller than the sum of its proper divisors (6756926454).

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

5478321546 is a wasteful number, since it uses less digits than its factorization.

5478321546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510011 (or 510005 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 5478321546 is about 74015.6844594441. The cubic root of 5478321546 is about 1762.8519474618.

The spelling of 5478321546 in words is "five billion, four hundred seventy-eight million, three hundred twenty-one thousand, five hundred forty-six".