54510993 has 24 divisors (see below), whose sum is σ = 84252168. Its totient is φ = 33841152.

The previous prime is 54510991. The next prime is 54511001. The reversal of 54510993 is 39901545.

54510993 is a `hidden beast` number, since 54 + 510 + 9 + 93 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3359889 + 51151104 = 1833^2 + 7152^2 .

It is not a de Polignac number, because 54510993 - 2¹ = 54510991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54510991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13005 + ... + 16677.

It is an arithmetic number, because the mean of its divisors is an integer number (3510507).

Almost surely, 2^54510993 is an apocalyptic number.

It is an amenable number.

54510993 is a deficient number, since it is larger than the sum of its proper divisors (29741175).

54510993 is a wasteful number, since it uses less digits than its factorization.

54510993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 54510993 is about 7383.1560324837. The cubic root of 54510993 is about 379.1648162424.

The spelling of 54510993 in words is "fifty-four million, five hundred ten thousand, nine hundred ninety-three".