5655951 has 24 divisors (see below), whose sum is σ = 9887904. Its totient is φ = 3041280.

The previous prime is 5655943. The next prime is 5655961. The reversal of 5655951 is 1595565.

5655951 is a `hidden beast` number, since 5 + 65 + 595 + 1 = 666.

It is not a de Polignac number, because 5655951 - 2³ = 5655943 is a prime.

5655951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655911) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1570 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (411996).

Almost surely, 2^5655951 is an apocalyptic number.

5655951 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5655951 is a deficient number, since it is larger than the sum of its proper divisors (4231953).

5655951 is a wasteful number, since it uses less digits than its factorization.

5655951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311 (or 5308 counting only the distinct ones).

The product of its digits is 33750, while the sum is 36.

The square root of 5655951 is about 2378.2243376099. The cubic root of 5655951 is about 178.1702595979.

The spelling of 5655951 in words is "five million, six hundred fifty-five thousand, nine hundred fifty-one".