54006778 has 32 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 21792240.

The previous prime is 54006761. The next prime is 54006779. The reversal of 54006778 is 87760045.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54006779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50275 + ... + 51337.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 2^54006778 is an apocalyptic number.

54006778 is a deficient number, since it is larger than the sum of its proper divisors (44051462).

54006778 is a wasteful number, since it uses less digits than its factorization.

54006778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 54006778 is about 7348.9303983641. The cubic root of 54006778 is about 377.9921286492.

The spelling of 54006778 in words is "fifty-four million, six thousand, seven hundred seventy-eight".