54500985 has 128 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 22438080.

The previous prime is 54500959. The next prime is 54500993. The reversal of 54500985 is 58900545.

It is a happy number.

It is not a de Polignac number, because 54500985 - 2⁶ = 54500921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 509302 + ... + 509408.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^54500985 is an apocalyptic number.

54500985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54500985 is an abundant number, since it is smaller than the sum of its proper divisors (69915015).

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

54500985 is a wasteful number, since it uses less digits than its factorization.

54500985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 54500985 is about 7382.4782424332. The cubic root of 54500985 is about 379.1416104416.

The spelling of 54500985 in words is "fifty-four million, five hundred thousand, nine hundred eighty-five".