5655815 has 32 divisors (see below), whose sum is σ = 8211456. Its totient is φ = 3688960.

The previous prime is 5655791. The next prime is 5655823. The reversal of 5655815 is 5185565.

It is not a de Polignac number, because 5655815 - 2²² = 1461511 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 21374 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (256608).

Almost surely, 2^5655815 is an apocalyptic number.

5655815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5655815 is a deficient number, since it is larger than the sum of its proper divisors (2555641).

5655815 is a wasteful number, since it uses less digits than its factorization.

5655815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its digits is 30000, while the sum is 35.

The square root of 5655815 is about 2378.1957446770. The cubic root of 5655815 is about 178.1688315239.

The spelling of 5655815 in words is "five million, six hundred fifty-five thousand, eight hundred fifteen".