54512280 has 48 divisors (see below), whose sum is σ = 177166080. Its totient is φ = 14536512.

The previous prime is 54512267. The next prime is 54512281. The reversal of 54512280 is 8221545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512281) 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, 75352 + ... + 76071.

It is an arithmetic number, because the mean of its divisors is an integer number (3690960).

Almost surely, 2^54512280 is an apocalyptic number.

It is an amenable number.

54512280 is an abundant number, since it is smaller than the sum of its proper divisors (122653800).

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

54512280 is a wasteful number, since it uses less digits than its factorization.

54512280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151440 (or 151433 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54512280 is about 7383.2431898184. The cubic root of 54512280 is about 379.1678002354.

The spelling of 54512280 in words is "fifty-four million, five hundred twelve thousand, two hundred eighty".