54566507 has 4 divisors (see below), whose sum is σ = 54763776. Its totient is φ = 54369240.

The previous prime is 54566489. The next prime is 54566509. The reversal of 54566507 is 70566545.

54566507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54566507 - 2²⁰ = 53517931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54566509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98219 + ... + 98772.

It is an arithmetic number, because the mean of its divisors is an integer number (13690944).

Almost surely, 2^54566507 is an apocalyptic number.

54566507 is a deficient number, since it is larger than the sum of its proper divisors (197269).

54566507 is a wasteful number, since it uses less digits than its factorization.

54566507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197268.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 54566507 is about 7386.9145791731. The cubic root of 54566507 is about 379.2934864003.

Adding to 54566507 its sum of digits (38), we get a palindrome (54566545).

The spelling of 54566507 in words is "fifty-four million, five hundred sixty-six thousand, five hundred seven".