53445494 has 8 divisors (see below), whose sum is σ = 80221440. Its totient is φ = 26705016.

The previous prime is 53445487. The next prime is 53445527. The reversal of 53445494 is 49454435.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (10027680).

Almost surely, 2^53445494 is an apocalyptic number.

53445494 is a deficient number, since it is larger than the sum of its proper divisors (26775946).

53445494 is a wasteful number, since it uses less digits than its factorization.

53445494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734.

The product of its digits is 172800, while the sum is 38.

The square root of 53445494 is about 7310.6425162225. The cubic root of 53445494 is about 376.6780948665.

The spelling of 53445494 in words is "fifty-three million, four hundred forty-five thousand, four hundred ninety-four".