6551477 has 16 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 5849088.

The previous prime is 6551429. The next prime is 6551497. The reversal of 6551477 is 7741556.

It can be written as a sum of positive squares in 8 ways, for example, as 206116 + 6345361 = 454^2 + 2519^2 .

It is not a de Polignac number, because 6551477 - 2¹⁴ = 6535093 is a prime.

It is a Duffinian number.

Its product of digits (29400) is a multiple of the sum of its prime divisors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47753 + ... + 47889.

It is an arithmetic number, because the mean of its divisors is an integer number (456435).

Almost surely, 2^6551477 is an apocalyptic number.

It is an amenable number.

6551477 is a deficient number, since it is larger than the sum of its proper divisors (751483).

6551477 is a wasteful number, since it uses less digits than its factorization.

6551477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 29400, while the sum is 35.

The square root of 6551477 is about 2559.5853179763. The cubic root of 6551477 is about 187.1169257401.

The spelling of 6551477 in words is "six million, five hundred fifty-one thousand, four hundred seventy-seven".