Adding to 1554 its reverse (4551), we get a triangular number (6105 = T110).
It is a Curzon number.
It is a nialpdrome in base 6 and base 12.
1554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1554 is a wasteful number, since it uses less digits than its factorization.
1554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49.
The square root of 1554 is about 39.4208066889. The cubic root of 1554 is about 11.5828919430.
The spelling of 1554 in words is "one thousand, five hundred fifty-four".