54102207 has 4 divisors (see below), whose sum is σ = 72136280. Its totient is φ = 36068136.

The previous prime is 54102199. The next prime is 54102221. The reversal of 54102207 is 70220145.

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

It is not a de Polignac number, because 54102207 - 2³ = 54102199 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 (54102277) 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, 9017032 + ... + 9017037.

It is an arithmetic number, because the mean of its divisors is an integer number (18034070).

Almost surely, 2^54102207 is an apocalyptic number.

54102207 is a deficient number, since it is larger than the sum of its proper divisors (18034073).

54102207 is a wasteful number, since it uses less digits than its factorization.

54102207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18034072.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 54102207 is about 7355.4202463218. The cubic root of 54102207 is about 378.2146327321.

The spelling of 54102207 in words is "fifty-four million, one hundred two thousand, two hundred seven".