53155207 has 8 divisors (see below), whose sum is σ = 60976800. Its totient is φ = 45390624.

The previous prime is 53155183. The next prime is 53155213. The reversal of 53155207 is 70255135.

53155207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53155207 - 2⁷ = 53155079 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 (53155247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12232 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (7622100).

Almost surely, 2^53155207 is an apocalyptic number.

53155207 is a deficient number, since it is larger than the sum of its proper divisors (7821593).

53155207 is a wasteful number, since it uses less digits than its factorization.

53155207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28505.

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

The square root of 53155207 is about 7290.7617571829. The cubic root of 53155207 is about 375.9948859083.

The spelling of 53155207 in words is "fifty-three million, one hundred fifty-five thousand, two hundred seven".