54090079 has 4 divisors (see below), whose sum is σ = 55006920. Its totient is φ = 53173240.

The previous prime is 54090037. The next prime is 54090097. The reversal of 54090079 is 97009045.

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 54090079 - 2¹¹ = 54088031 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 (54090479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458332 + ... + 458449.

It is an arithmetic number, because the mean of its divisors is an integer number (13751730).

Almost surely, 2^54090079 is an apocalyptic number.

54090079 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

54090079 is a deficient number, since it is larger than the sum of its proper divisors (916841).

54090079 is an equidigital number, since it uses as much as digits as its factorization.

54090079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916840.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 54090079 is about 7354.5957740722. The cubic root of 54090079 is about 378.1863693758.

The spelling of 54090079 in words is "fifty-four million, ninety thousand, seventy-nine".