53869445 has 8 divisors (see below), whose sum is σ = 73878144. Its totient is φ = 36939024.

The previous prime is 53869421. The next prime is 53869457. The reversal of 53869445 is 54496835.

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 53869445 - 2¹⁶ = 53803909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53869396 and 53869405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769529 + ... + 769598.

It is an arithmetic number, because the mean of its divisors is an integer number (9234768).

Almost surely, 2^53869445 is an apocalyptic number.

It is an amenable number.

53869445 is a deficient number, since it is larger than the sum of its proper divisors (20008699).

53869445 is a wasteful number, since it uses less digits than its factorization.

53869445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539139.

The product of its digits is 518400, while the sum is 44.

The square root of 53869445 is about 7339.5807100951. The cubic root of 53869445 is about 377.6714599094.

The spelling of 53869445 in words is "fifty-three million, eight hundred sixty-nine thousand, four hundred forty-five".