54404507 has 4 divisors (see below), whose sum is σ = 54424056. Its totient is φ = 54384960.

The previous prime is 54404489. The next prime is 54404527. The reversal of 54404507 is 70540445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54404507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54404507.

It is not an unprimeable number, because it can be changed into a prime (54404527) 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, 4733 + ... + 11454.

It is an arithmetic number, because the mean of its divisors is an integer number (13606014).

Almost surely, 2^54404507 is an apocalyptic number.

54404507 is a deficient number, since it is larger than the sum of its proper divisors (19549).

54404507 is a wasteful number, since it uses less digits than its factorization.

54404507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19548.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 54404507 is about 7375.9410924980. The cubic root of 54404507 is about 378.9177586490.

The spelling of 54404507 in words is "fifty-four million, four hundred four thousand, five hundred seven".