54540400 has 30 divisors (see below), whose sum is σ = 131034272. Its totient is φ = 21816000.

The previous prime is 54540391. The next prime is 54540401. The reversal of 54540400 is 404545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54540401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67776 + ... + 68575.

Almost surely, 2^54540400 is an apocalyptic number.

54540400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54540400 is an abundant number, since it is smaller than the sum of its proper divisors (76493872).

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

54540400 is a wasteful number, since it uses less digits than its factorization.

54540400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136369 (or 136358 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 54540400 is about 7385.1472564872. The cubic root of 54540400 is about 379.2329865611.

Adding to 54540400 its reverse (404545), we get a palindrome (54944945).

The spelling of 54540400 in words is "fifty-four million, five hundred forty thousand, four hundred".