54506639 has 8 divisors (see below), whose sum is σ = 59529168. Its totient is φ = 49495360.

The previous prime is 54506633. The next prime is 54506653. The reversal of 54506639 is 93660545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54506639 - 2⁴ = 54506623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54506633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9809 + ... + 14325.

It is an arithmetic number, because the mean of its divisors is an integer number (7441146).

Almost surely, 2^54506639 is an apocalyptic number.

54506639 is a deficient number, since it is larger than the sum of its proper divisors (5022529).

54506639 is a wasteful number, since it uses less digits than its factorization.

54506639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 54506639 is about 7382.8611662417. The cubic root of 54506639 is about 379.1547208624.

The spelling of 54506639 in words is "fifty-four million, five hundred six thousand, six hundred thirty-nine".