54626905 has 4 divisors (see below), whose sum is σ = 65552292. Its totient is φ = 43701520.

The previous prime is 54626879. The next prime is 54626917. The reversal of 54626905 is 50962645.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20894041 + 33732864 = 4571^2 + 5808^2 .

It is not a de Polignac number, because 54626905 - 2⁷ = 54626777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462686 + ... + 5462695.

It is an arithmetic number, because the mean of its divisors is an integer number (16388073).

Almost surely, 2^54626905 is an apocalyptic number.

It is an amenable number.

54626905 is a deficient number, since it is larger than the sum of its proper divisors (10925387).

54626905 is a wasteful number, since it uses less digits than its factorization.

54626905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925386.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 54626905 is about 7391.0016235961. The cubic root of 54626905 is about 379.4333775910.

The spelling of 54626905 in words is "fifty-four million, six hundred twenty-six thousand, nine hundred five".