53269945 has 4 divisors (see below), whose sum is σ = 63923940. Its totient is φ = 42615952.

The previous prime is 53269921. The next prime is 53269949. The reversal of 53269945 is 54996235.

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 30735936 + 22534009 = 5544^2 + 4747^2 .

It is a cyclic number.

It is not a de Polignac number, because 53269945 - 2⁵ = 53269913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53269949) 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, 5326990 + ... + 5326999.

It is an arithmetic number, because the mean of its divisors is an integer number (15980985).

Almost surely, 2^53269945 is an apocalyptic number.

It is an amenable number.

53269945 is a deficient number, since it is larger than the sum of its proper divisors (10653995).

53269945 is a wasteful number, since it uses less digits than its factorization.

53269945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653994.

The product of its digits is 291600, while the sum is 43.

The square root of 53269945 is about 7298.6262406017. The cubic root of 53269945 is about 376.2652256691.

The spelling of 53269945 in words is "fifty-three million, two hundred sixty-nine thousand, nine hundred forty-five".