53961449 has 4 divisors (see below), whose sum is σ = 54241236. Its totient is φ = 53681664.

The previous prime is 53961443. The next prime is 53961461. The reversal of 53961449 is 94416935.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14961424 + 39000025 = 3868^2 + 6245^2 .

It is a cyclic number.

It is not a de Polignac number, because 53961449 - 2²⁴ = 37184233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53961443) 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, 139604 + ... + 139989.

It is an arithmetic number, because the mean of its divisors is an integer number (13560309).

Almost surely, 2^53961449 is an apocalyptic number.

It is an amenable number.

53961449 is a deficient number, since it is larger than the sum of its proper divisors (279787).

53961449 is a wasteful number, since it uses less digits than its factorization.

53961449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279786.

The product of its digits is 116640, while the sum is 41.

The square root of 53961449 is about 7345.8456967187. The cubic root of 53961449 is about 377.8863468584.

The spelling of 53961449 in words is "fifty-three million, nine hundred sixty-one thousand, four hundred forty-nine".