54535866 has 32 divisors (see below), whose sum is σ = 135986688. Its totient is φ = 14165040.

The previous prime is 54535853. The next prime is 54535879. The reversal of 54535866 is 66853545.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54535853) and next prime (54535879).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58560 + ... + 59483.

It is an arithmetic number, because the mean of its divisors is an integer number (4249584).

Almost surely, 2^54535866 is an apocalyptic number.

54535866 is an abundant number, since it is smaller than the sum of its proper divisors (81450822).

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

54535866 is a wasteful number, since it uses less digits than its factorization.

54535866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118066.

The product of its digits is 432000, while the sum is 42.

The square root of 54535866 is about 7384.8402826331. The cubic root of 54535866 is about 379.2224775928. Note that the first 3 decimals are identical.

The spelling of 54535866 in words is "fifty-four million, five hundred thirty-five thousand, eight hundred sixty-six".