5625816 has 32 divisors (see below), whose sum is σ = 16074240. Its totient is φ = 1607328.

The previous prime is 5625811. The next prime is 5625857. The reversal of 5625816 is 6185265.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16576 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^5625816 is an apocalyptic number.

5625816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5625816 is an abundant number, since it is smaller than the sum of its proper divisors (10448424).

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

5625816 is a wasteful number, since it uses less digits than its factorization.

5625816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33503 (or 33499 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 5625816 is about 2371.8802667926. The cubic root of 5625816 is about 177.8532645863.

It can be divided in two parts, 5625 and 816, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 5625816 in words is "five million, six hundred twenty-five thousand, eight hundred sixteen".