53122347 has 24 divisors (see below), whose sum is σ = 82751760. Its totient is φ = 32728320.

The previous prime is 53122339. The next prime is 53122373. The reversal of 53122347 is 74322135.

53122347 is a `hidden beast` number, since 5 + 312 + 2 + 347 = 666.

53122347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53122347 - 2³ = 53122339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53122347.

It is not an unprimeable number, because it can be changed into a prime (53122327) 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 23 ways as a sum of consecutive naturals, for example, 3223 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (3447990).

Almost surely, 2^53122347 is an apocalyptic number.

53122347 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

53122347 is a deficient number, since it is larger than the sum of its proper divisors (29629413).

53122347 is a wasteful number, since it uses less digits than its factorization.

53122347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643 (or 7640 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53122347 is about 7288.5078719859. The cubic root of 53122347 is about 375.9173912188.

The spelling of 53122347 in words is "fifty-three million, one hundred twenty-two thousand, three hundred forty-seven".