5477661 has 18 divisors (see below), whose sum is σ = 9204702. Its totient is φ = 3129840.

The previous prime is 5477629. The next prime is 5477663. The reversal of 5477661 is 1667745.

5477661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5433561 + 44100 = 2331^2 + 210^2 .

It is not a de Polignac number, because 5477661 - 2⁵ = 5477629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5477663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5770 + ... + 6651.

Almost surely, 2^5477661 is an apocalyptic number.

It is an amenable number.

5477661 is a deficient number, since it is larger than the sum of its proper divisors (3727041).

5477661 is a wasteful number, since it uses less digits than its factorization.

5477661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441 (or 12431 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 5477661 is about 2340.4403431833. The cubic root of 5477661 is about 176.2781092937.

The spelling of 5477661 in words is "five million, four hundred seventy-seven thousand, six hundred sixty-one".