5551061 has 16 divisors (see below), whose sum is σ = 6146928. Its totient is φ = 4992000.

The previous prime is 5551057. The next prime is 5551069. The reversal of 5551061 is 1601555.

It can be written as a sum of positive squares in 8 ways, for example, as 348100 + 5202961 = 590^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551061 - 2² = 5551057 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551069) 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 15 ways as a sum of consecutive naturals, for example, 54911 + ... + 55011.

It is an arithmetic number, because the mean of its divisors is an integer number (384183).

Almost surely, 2^5551061 is an apocalyptic number.

It is an amenable number.

5551061 is a deficient number, since it is larger than the sum of its proper divisors (595867).

5551061 is a wasteful number, since it uses less digits than its factorization.

5551061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 5551061 is about 2356.0689718257. The cubic root of 5551061 is about 177.0619868648.

The spelling of 5551061 in words is "five million, five hundred fifty-one thousand, sixty-one".