54956109 has 16 divisors (see below), whose sum is σ = 79232832. Its totient is φ = 33681408.

The previous prime is 54956101. The next prime is 54956129. The reversal of 54956109 is 90165945.

It is not a de Polignac number, because 54956109 - 2³ = 54956101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54956101) 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 15 ways as a sum of consecutive naturals, for example, 7282 + ... + 12764.

It is an arithmetic number, because the mean of its divisors is an integer number (4952052).

Almost surely, 2^54956109 is an apocalyptic number.

It is an amenable number.

54956109 is a deficient number, since it is larger than the sum of its proper divisors (24276723).

54956109 is a wasteful number, since it uses less digits than its factorization.

54956109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 54956109 is about 7413.2387658836. The cubic root of 54956109 is about 380.1940583145.

The spelling of 54956109 in words is "fifty-four million, nine hundred fifty-six thousand, one hundred nine".