5906551 has 4 divisors (see below), whose sum is σ = 6750352. Its totient is φ = 5062752.

The previous prime is 5906539. The next prime is 5906557. The reversal of 5906551 is 1556095.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5906551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5906557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 421890 + ... + 421903.

It is an arithmetic number, because the mean of its divisors is an integer number (1687588).

Almost surely, 2^5906551 is an apocalyptic number.

5906551 is a deficient number, since it is larger than the sum of its proper divisors (843801).

5906551 is an equidigital number, since it uses as much as digits as its factorization.

5906551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843800.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5906551 is about 2430.3396881918. The cubic root of 5906551 is about 180.7637404608.

The spelling of 5906551 in words is "five million, nine hundred six thousand, five hundred fifty-one".