54909480 has 128 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 13980672.

The previous prime is 54909457. The next prime is 54909509. The reversal of 54909480 is 8490945.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368446 + ... + 368594.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^54909480 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 54909480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86184000).

54909480 is an abundant number, since it is smaller than the sum of its proper divisors (117458520).

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

54909480 is a wasteful number, since it uses less digits than its factorization.

54909480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 54909480 is about 7410.0931168238. The cubic root of 54909480 is about 380.0864992376.

The spelling of 54909480 in words is "fifty-four million, nine hundred nine thousand, four hundred eighty".