54561450 has 96 divisors (see below), whose sum is σ = 141151680. Its totient is φ = 13939200.

The previous prime is 54561443. The next prime is 54561491. The reversal of 54561450 is 5416545.

It is a super-2 number, since 2×54561450² = 5953903652205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613006 + ... + 613094.

It is an arithmetic number, because the mean of its divisors is an integer number (1470330).

Almost surely, 2^54561450 is an apocalyptic number.

54561450 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 54561450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70575840).

54561450 is an abundant number, since it is smaller than the sum of its proper divisors (86590230).

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

54561450 is a wasteful number, since it uses less digits than its factorization.

54561450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 54561450 is about 7386.5722767736. The cubic root of 54561450 is about 379.2817689169.

Adding to 54561450 its reverse (5416545), we get a palindrome (59977995).

The spelling of 54561450 in words is "fifty-four million, five hundred sixty-one thousand, four hundred fifty".