53944015 has 8 divisors (see below), whose sum is σ = 66110400. Its totient is φ = 42236832.

The previous prime is 53944013. The next prime is 53944067. The reversal of 53944015 is 51044935.

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

It is not a de Polignac number, because 53944015 - 2¹ = 53944013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53944013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114540 + ... + 115009.

It is an arithmetic number, because the mean of its divisors is an integer number (8263800).

Almost surely, 2^53944015 is an apocalyptic number.

53944015 is a deficient number, since it is larger than the sum of its proper divisors (12166385).

53944015 is a wasteful number, since it uses less digits than its factorization.

53944015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229601.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 53944015 is about 7344.6589437495. The cubic root of 53944015 is about 377.8456463193.

It can be divided in two parts, 5394 and 4015, that added together give a square (9409 = 97²).

The spelling of 53944015 in words is "fifty-three million, nine hundred forty-four thousand, fifteen".