5478564 has 96 divisors (see below), whose sum is σ = 16369920. Its totient is φ = 1387008.

The previous prime is 5478559. The next prime is 5478569. The reversal of 5478564 is 4658745.

It is an interprime number because it is at equal distance from previous prime (5478559) and next prime (5478569).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5478569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31582 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (170520).

Almost surely, 2^5478564 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 5478564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8184960).

5478564 is an abundant number, since it is smaller than the sum of its proper divisors (10891356).

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

5478564 is a wasteful number, since it uses less digits than its factorization.

5478564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 227 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 5478564 is about 2340.6332476490. The cubic root of 5478564 is about 176.2877953249.

The spelling of 5478564 in words is "five million, four hundred seventy-eight thousand, five hundred sixty-four".