5511651 has 16 divisors (see below), whose sum is σ = 7733760. Its totient is φ = 3491400.

The previous prime is 5511641. The next prime is 5511683. The reversal of 5511651 is 1561155.

It is not a de Polignac number, because 5511651 - 2¹⁷ = 5380579 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5511601) 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 15 ways as a sum of consecutive naturals, for example, 36426 + ... + 36576.

It is an arithmetic number, because the mean of its divisors is an integer number (483360).

Almost surely, 2^5511651 is an apocalyptic number.

5511651 is a deficient number, since it is larger than the sum of its proper divisors (2222109).

5511651 is an equidigital number, since it uses as much as digits as its factorization.

5511651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 177 counting only the distinct ones).

The product of its digits is 750, while the sum is 24.

The square root of 5511651 is about 2347.6905673449. The cubic root of 5511651 is about 176.6419715492.

The spelling of 5511651 in words is "five million, five hundred eleven thousand, six hundred fifty-one".