54505816 has 8 divisors (see below), whose sum is σ = 102198420. Its totient is φ = 27252904.

The previous prime is 54505799. The next prime is 54505817. The reversal of 54505816 is 61850545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54505817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406606 + ... + 3406621.

Almost surely, 2^54505816 is an apocalyptic number.

It is an amenable number.

54505816 is a deficient number, since it is larger than the sum of its proper divisors (47692604).

54505816 is a wasteful number, since it uses less digits than its factorization.

54505816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813233 (or 6813229 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 54505816 is about 7382.8054288326. The cubic root of 54505816 is about 379.1528125572.

The spelling of 54505816 in words is "fifty-four million, five hundred five thousand, eight hundred sixteen".