54685951 has 4 divisors (see below), whose sum is σ = 55582504. Its totient is φ = 53789400.

The previous prime is 54685949. The next prime is 54686017. The reversal of 54685951 is 15958645.

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

It is a cyclic number.

It is not a de Polignac number, because 54685951 - 2¹ = 54685949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54685898 and 54685907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54685901) 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, 448185 + ... + 448306.

It is an arithmetic number, because the mean of its divisors is an integer number (13895626).

Almost surely, 2^54685951 is an apocalyptic number.

54685951 is a deficient number, since it is larger than the sum of its proper divisors (896553).

54685951 is an equidigital number, since it uses as much as digits as its factorization.

54685951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896552.

The product of its digits is 216000, while the sum is 43.

The square root of 54685951 is about 7394.9949966176. The cubic root of 54685951 is about 379.5700376972.

The spelling of 54685951 in words is "fifty-four million, six hundred eighty-five thousand, nine hundred fifty-one".