53463815 has 16 divisors (see below), whose sum is σ = 67998720. Its totient is φ = 40240800.

The previous prime is 53463811. The next prime is 53463829. The reversal of 53463815 is 51836435.

It is not a de Polignac number, because 53463815 - 2² = 53463811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53463811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12482 + ... + 16208.

It is an arithmetic number, because the mean of its divisors is an integer number (4249920).

Almost surely, 2^53463815 is an apocalyptic number.

53463815 is a deficient number, since it is larger than the sum of its proper divisors (14534905).

53463815 is a wasteful number, since it uses less digits than its factorization.

53463815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902.

The product of its digits is 43200, while the sum is 35.

The square root of 53463815 is about 7311.8954450949. The cubic root of 53463815 is about 376.7211314286.

The spelling of 53463815 in words is "fifty-three million, four hundred sixty-three thousand, eight hundred fifteen".