54688207 has 4 divisors (see below), whose sum is σ = 62500816. Its totient is φ = 46875600.

The previous prime is 54688199. The next prime is 54688211. The reversal of 54688207 is 70288645.

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 54688207 - 2³ = 54688199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54688207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54688807) 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, 3906294 + ... + 3906307.

It is an arithmetic number, because the mean of its divisors is an integer number (15625204).

Almost surely, 2^54688207 is an apocalyptic number.

54688207 is a deficient number, since it is larger than the sum of its proper divisors (7812609).

54688207 is an equidigital number, since it uses as much as digits as its factorization.

54688207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812608.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 54688207 is about 7395.1475306447. The cubic root of 54688207 is about 379.5752571867.

The spelling of 54688207 in words is "fifty-four million, six hundred eighty-eight thousand, two hundred seven".