54105450 has 72 divisors (see below), whose sum is σ = 154028832. Its totient is φ = 12312480.

The previous prime is 54105449. The next prime is 54105461. The reversal of 54105450 is 5450145.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54105450.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 238237 + ... + 238463.

Almost surely, 2^54105450 is an apocalyptic number.

54105450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54105450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77014416).

54105450 is an abundant number, since it is smaller than the sum of its proper divisors (99923382).

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

54105450 is a wasteful number, since it uses less digits than its factorization.

54105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54105450 is about 7355.6406926929. The cubic root of 54105450 is about 378.2221895745. Note that the first 3 decimals are identical.

Adding to 54105450 its reverse (5450145), we get a palindrome (59555595).

The spelling of 54105450 in words is "fifty-four million, one hundred five thousand, four hundred fifty".