53788247 has 4 divisors (see below), whose sum is σ = 54088920. Its totient is φ = 53487576.

The previous prime is 53788219. The next prime is 53788249. The reversal of 53788247 is 74288735.

It is a happy number.

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 53788247 - 2¹² = 53784151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53788198 and 53788207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53788249) 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, 150068 + ... + 150425.

It is an arithmetic number, because the mean of its divisors is an integer number (13522230).

Almost surely, 2^53788247 is an apocalyptic number.

53788247 is a deficient number, since it is larger than the sum of its proper divisors (300673).

53788247 is a wasteful number, since it uses less digits than its factorization.

53788247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300672.

The product of its digits is 376320, while the sum is 44.

The square root of 53788247 is about 7334.0471092024. The cubic root of 53788247 is about 377.4816083901.

The spelling of 53788247 in words is "fifty-three million, seven hundred eighty-eight thousand, two hundred forty-seven".