54945280 has 120 divisors (see below), whose sum is σ = 143776512. Its totient is φ = 20127744.

The previous prime is 54945277. The next prime is 54945281. The reversal of 54945280 is 8254945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432577 + ... + 432703.

Almost surely, 2^54945280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54945280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71888256).

54945280 is an abundant number, since it is smaller than the sum of its proper divisors (88831232).

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

54945280 is a wasteful number, since it uses less digits than its factorization.

54945280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 54945280 is about 7412.5083473815. The cubic root of 54945280 is about 380.1690844946.

It can be divided in two parts, 54945 and 280, that added together give a square (55225 = 235²).

The spelling of 54945280 in words is "fifty-four million, nine hundred forty-five thousand, two hundred eighty".