53968405 has 8 divisors (see below), whose sum is σ = 64947672. Its totient is φ = 43051008.

The previous prime is 53968403. The next prime is 53968429. The reversal of 53968405 is 50486935.

It can be written as a sum of positive squares in 4 ways, for example, as 2099601 + 51868804 = 1449^2 + 7202^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53968405 - 2¹ = 53968403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53968403) 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, 13524 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (8118459).

Almost surely, 2^53968405 is an apocalyptic number.

It is an amenable number.

53968405 is a deficient number, since it is larger than the sum of its proper divisors (10979267).

53968405 is a wasteful number, since it uses less digits than its factorization.

53968405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30935.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 53968405 is about 7346.3191463481. The cubic root of 53968405 is about 377.9025835393.

The spelling of 53968405 in words is "fifty-three million, nine hundred sixty-eight thousand, four hundred five".