54808990 has 8 divisors (see below), whose sum is σ = 98656200. Its totient is φ = 21923592.

The previous prime is 54808979. The next prime is 54809011. The reversal of 54808990 is 9980845.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740440 + ... + 2740459.

It is an arithmetic number, because the mean of its divisors is an integer number (12332025).

Almost surely, 2^54808990 is an apocalyptic number.

54808990 is a deficient number, since it is larger than the sum of its proper divisors (43847210).

54808990 is a wasteful number, since it uses less digits than its factorization.

54808990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480906.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 54808990 is about 7403.3093951286. The cubic root of 54808990 is about 379.8544918428.

The spelling of 54808990 in words is "fifty-four million, eight hundred eight thousand, nine hundred ninety".