6554478 has 16 divisors (see below), whose sum is σ = 14981760. Its totient is φ = 1872696.

The previous prime is 6554461. The next prime is 6554489. The reversal of 6554478 is 8744556.

It is a super-2 number, since 2×6554478² = 85922363704968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77988 + ... + 78071.

It is an arithmetic number, because the mean of its divisors is an integer number (936360).

Almost surely, 2^6554478 is an apocalyptic number.

6554478 is an abundant number, since it is smaller than the sum of its proper divisors (8427282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6554478 is a wasteful number, since it uses less digits than its factorization.

6554478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156071.

The product of its digits is 134400, while the sum is 39.

The square root of 6554478 is about 2560.1714786319. The cubic root of 6554478 is about 187.1454919284.

The spelling of 6554478 in words is "six million, five hundred fifty-four thousand, four hundred seventy-eight".