54690005 has 8 divisors (see below), whose sum is σ = 65786424. Its totient is φ = 43646400.

The previous prime is 54689939. The next prime is 54690007. The reversal of 54690005 is 50009645.

It can be written as a sum of positive squares in 4 ways, for example, as 18769 + 54671236 = 137^2 + 7394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54690005 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 54690005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54690007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10886 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (8223303).

Almost surely, 2^54690005 is an apocalyptic number.

It is an amenable number.

54690005 is a deficient number, since it is larger than the sum of its proper divisors (11096419).

54690005 is a wasteful number, since it uses less digits than its factorization.

54690005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26407.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 54690005 is about 7395.2690958477. The cubic root of 54690005 is about 379.5794169429.

The spelling of 54690005 in words is "fifty-four million, six hundred ninety thousand, five".