5540266 has 16 divisors (see below), whose sum is σ = 8989056. Its totient is φ = 2550976.

The previous prime is 5540257. The next prime is 5540273. The reversal of 5540266 is 6620455.

5540266 = 124² + 125² + ... + 264².

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (561816).

Almost surely, 2^5540266 is an apocalyptic number.

5540266 is a deficient number, since it is larger than the sum of its proper divisors (3448790).

5540266 is a wasteful number, since it uses less digits than its factorization.

5540266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5540266 is about 2353.7769647951. The cubic root of 5540266 is about 176.9471364789.

The spelling of 5540266 in words is "five million, five hundred forty thousand, two hundred sixty-six".