54355009 has 4 divisors (see below), whose sum is σ = 54443440. Its totient is φ = 54266580.

The previous prime is 54354941. The next prime is 54355013. The reversal of 54355009 is 90055345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54355009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54355099) 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, 43287 + ... + 44524.

It is an arithmetic number, because the mean of its divisors is an integer number (13610860).

Almost surely, 2^54355009 is an apocalyptic number.

It is an amenable number.

54355009 is a deficient number, since it is larger than the sum of its proper divisors (88431).

54355009 is an equidigital number, since it uses as much as digits as its factorization.

54355009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88430.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 54355009 is about 7372.5849605142. The cubic root of 54355009 is about 378.8028088456.

The spelling of 54355009 in words is "fifty-four million, three hundred fifty-five thousand, nine".