54775805 has 8 divisors (see below), whose sum is σ = 75121152. Its totient is φ = 37560528.

The previous prime is 54775801. The next prime is 54775813. The reversal of 54775805 is 50857745.

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

It is a cyclic number.

It is not a de Polignac number, because 54775805 - 2² = 54775801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54775801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782477 + ... + 782546.

It is an arithmetic number, because the mean of its divisors is an integer number (9390144).

Almost surely, 2^54775805 is an apocalyptic number.

It is an amenable number.

54775805 is a deficient number, since it is larger than the sum of its proper divisors (20345347).

54775805 is a wasteful number, since it uses less digits than its factorization.

54775805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565035.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 54775805 is about 7401.0678283610. The cubic root of 54775805 is about 379.7778133257. Note that the first 3 decimals are identical.

The spelling of 54775805 in words is "fifty-four million, seven hundred seventy-five thousand, eight hundred five".