54166788 has 36 divisors (see below), whose sum is σ = 147455308. Its totient is φ = 16666560.

The previous prime is 54166769. The next prime is 54166789. The reversal of 54166788 is 88766145.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 51581124 = 1608^2 + 7182^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (54166789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57403 + ... + 58338.

Almost surely, 2^54166788 is an apocalyptic number.

It is an amenable number.

54166788 is an abundant number, since it is smaller than the sum of its proper divisors (93288520).

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

54166788 is a wasteful number, since it uses less digits than its factorization.

54166788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115764 (or 115759 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 54166788 is about 7359.8089649121. The cubic root of 54166788 is about 378.3650626204.

The spelling of 54166788 in words is "fifty-four million, one hundred sixty-six thousand, seven hundred eighty-eight".