5540761 has 4 divisors (see below), whose sum is σ = 5832400. Its totient is φ = 5249124.

The previous prime is 5540753. The next prime is 5540767. The reversal of 5540761 is 1670455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5540761 - 2³ = 5540753 is a prime.

It is a Duffinian number.

5540761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5540767) 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, 145791 + ... + 145828.

It is an arithmetic number, because the mean of its divisors is an integer number (1458100).

Almost surely, 2^5540761 is an apocalyptic number.

It is an amenable number.

5540761 is a deficient number, since it is larger than the sum of its proper divisors (291639).

5540761 is a wasteful number, since it uses less digits than its factorization.

5540761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291638.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5540761 is about 2353.8821125961. The cubic root of 5540761 is about 176.9524061551.

The spelling of 5540761 in words is "five million, five hundred forty thousand, seven hundred sixty-one".