5540957 has 4 divisors (see below), whose sum is σ = 5580960. Its totient is φ = 5500956.

The previous prime is 5540939. The next prime is 5540993. The reversal of 5540957 is 7590455.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7590455 = 5 ⋅1518091.

It is a cyclic number.

It is not a de Polignac number, because 5540957 - 2⁸ = 5540701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540057) 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, 19793 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (1395240).

Almost surely, 2^5540957 is an apocalyptic number.

It is an amenable number.

5540957 is a deficient number, since it is larger than the sum of its proper divisors (40003).

5540957 is a wasteful number, since it uses less digits than its factorization.

5540957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40002.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 5540957 is about 2353.9237455789. The cubic root of 5540957 is about 176.9544926472.

The spelling of 5540957 in words is "five million, five hundred forty thousand, nine hundred fifty-seven".