54759999 has 24 divisors (see below), whose sum is σ = 85531008. Its totient is φ = 31071600.

The previous prime is 54759983. The next prime is 54760003. The reversal of 54759999 is 99995745.

It is a Cunningham number, because it is equal to 7400²-1.

It is not a de Polignac number, because 54759999 - 2⁴ = 54759983 is a prime.

54759999 is a modest number, since divided by 9999 gives 5475 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54759949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20964 + ... + 23430.

It is an arithmetic number, because the mean of its divisors is an integer number (3563792).

Almost surely, 2^54759999 is an apocalyptic number.

54759999 is a deficient number, since it is larger than the sum of its proper divisors (30771009).

54759999 is a wasteful number, since it uses less digits than its factorization.

54759999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 2628 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 57.

The square root of 54759999 is about 7399.9999324324. Note that the first 4 decimals coincide. The cubic root of 54759999 is about 379.7412804952.

The spelling of 54759999 in words is "fifty-four million, seven hundred fifty-nine thousand, nine hundred ninety-nine".