54655599 has 8 divisors (see below), whose sum is σ = 72929920. Its totient is φ = 36409176.

The previous prime is 54655591. The next prime is 54655619. The reversal of 54655599 is 99555645.

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

It is not a de Polignac number, because 54655599 - 2³ = 54655591 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 (54655591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867 + ... + 10620.

It is an arithmetic number, because the mean of its divisors is an integer number (9116240).

Almost surely, 2^54655599 is an apocalyptic number.

54655599 is a deficient number, since it is larger than the sum of its proper divisors (18274321).

54655599 is a wasteful number, since it uses less digits than its factorization.

54655599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949.

The product of its digits is 1215000, while the sum is 48.

The square root of 54655599 is about 7392.9425129646. The cubic root of 54655599 is about 379.4998012431.

The spelling of 54655599 in words is "fifty-four million, six hundred fifty-five thousand, five hundred ninety-nine".