54611999 has 4 divisors (see below), whose sum is σ = 58812936. Its totient is φ = 50411064.

The previous prime is 54611983. The next prime is 54612001. The reversal of 54611999 is 99911645.

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 54611999 - 2⁴ = 54611983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54611099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2100449 + ... + 2100474.

It is an arithmetic number, because the mean of its divisors is an integer number (14703234).

Almost surely, 2^54611999 is an apocalyptic number.

54611999 is a deficient number, since it is larger than the sum of its proper divisors (4200937).

54611999 is a wasteful number, since it uses less digits than its factorization.

54611999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200936.

The product of its digits is 87480, while the sum is 44.

The square root of 54611999 is about 7389.9931664380. The cubic root of 54611999 is about 379.3988625571.

The spelling of 54611999 in words is "fifty-four million, six hundred eleven thousand, nine hundred ninety-nine".