54729280 has 28 divisors (see below), whose sum is σ = 130324860. Its totient is φ = 21891584.

The previous prime is 54729251. The next prime is 54729281. The reversal of 54729280 is 8292745.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 32901696 = 4672^2 + 5736^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (54729281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85195 + ... + 85834.

Almost surely, 2^54729280 is an apocalyptic number.

It is an amenable number.

54729280 is an abundant number, since it is smaller than the sum of its proper divisors (75595580).

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

54729280 is a wasteful number, since it uses less digits than its factorization.

54729280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171046 (or 171036 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 54729280 is about 7397.9240331325. The cubic root of 54729280 is about 379.6702587360.

The spelling of 54729280 in words is "fifty-four million, seven hundred twenty-nine thousand, two hundred eighty".