6545400 has 48 divisors (see below), whose sum is σ = 20292600. Its totient is φ = 1745280.

The previous prime is 6545381. The next prime is 6545423. The reversal of 6545400 is 45456.

It is a super-2 number, since 2×6545400² = 85684522320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4855 + ... + 6054.

Almost surely, 2^6545400 is an apocalyptic number.

6545400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6545400 is an abundant number, since it is smaller than the sum of its proper divisors (13747200).

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

6545400 is a wasteful number, since it uses less digits than its factorization.

6545400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 6545400 is about 2558.3979362093. The cubic root of 6545400 is about 187.0590527178.

The spelling of 6545400 in words is "six million, five hundred forty-five thousand, four hundred".