53115747 has 8 divisors (see below), whose sum is σ = 70878480. Its totient is φ = 35381760.

The previous prime is 53115737. The next prime is 53115847. The reversal of 53115747 is 74751135.

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

It is not a de Polignac number, because 53115747 - 2⁷ = 53115619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53115737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (8859810).

Almost surely, 2^53115747 is an apocalyptic number.

53115747 is a deficient number, since it is larger than the sum of its proper divisors (17762733).

53115747 is a wasteful number, since it uses less digits than its factorization.

53115747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373.

The product of its digits is 14700, while the sum is 33.

The square root of 53115747 is about 7288.0550903516. The cubic root of 53115747 is about 375.9018223940.

The spelling of 53115747 in words is "fifty-three million, one hundred fifteen thousand, seven hundred forty-seven".