5456661 has 8 divisors (see below), whose sum is σ = 8314944. Its totient is φ = 3118080.

The previous prime is 5456603. The next prime is 5456663. The reversal of 5456661 is 1666545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5456661 - 2⁶ = 5456597 is a prime.

5456661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129900 + ... + 129941.

It is an arithmetic number, because the mean of its divisors is an integer number (1039368).

Almost surely, 2^5456661 is an apocalyptic number.

It is an amenable number.

5456661 is a deficient number, since it is larger than the sum of its proper divisors (2858283).

5456661 is a wasteful number, since it uses less digits than its factorization.

5456661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259851.

The product of its digits is 21600, while the sum is 33.

The square root of 5456661 is about 2335.9496998009. The cubic root of 5456661 is about 176.0525518862.

The spelling of 5456661 in words is "five million, four hundred fifty-six thousand, six hundred sixty-one".