53551207 has 8 divisors (see below), whose sum is σ = 58084992. Its totient is φ = 49171200.

The previous prime is 53551193. The next prime is 53551213. The reversal of 53551207 is 70215535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53551207 - 2⁷ = 53551079 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 (53531207) 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 7 ways as a sum of consecutive naturals, for example, 37719 + ... + 39112.

It is an arithmetic number, because the mean of its divisors is an integer number (7260624).

Almost surely, 2^53551207 is an apocalyptic number.

53551207 is a deficient number, since it is larger than the sum of its proper divisors (4533785).

53551207 is a wasteful number, since it uses less digits than its factorization.

53551207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76889.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 53551207 is about 7317.8690204184. The cubic root of 53551207 is about 376.9262825890.

The spelling of 53551207 in words is "fifty-three million, five hundred fifty-one thousand, two hundred seven".