54862109 has 4 divisors (see below), whose sum is σ = 56138016. Its totient is φ = 53586204.

The previous prime is 54862099. The next prime is 54862121. The reversal of 54862109 is 90126845.

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 not a de Polignac number, because 54862109 - 2⁸ = 54861853 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 (54862169) by changing a digit.

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, 637889 + ... + 637974.

It is an arithmetic number, because the mean of its divisors is an integer number (14034504).

Almost surely, 2^54862109 is an apocalyptic number.

It is an amenable number.

54862109 is a deficient number, since it is larger than the sum of its proper divisors (1275907).

54862109 is a wasteful number, since it uses less digits than its factorization.

54862109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275906.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54862109 is about 7406.8960435529. The cubic root of 54862109 is about 379.9771662180.

The spelling of 54862109 in words is "fifty-four million, eight hundred sixty-two thousand, one hundred nine".