53245473 has 4 divisors (see below), whose sum is σ = 70993968. Its totient is φ = 35496980.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245473 is 37454235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53245473 - 2¹ = 53245471 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53245471) 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, 8874243 + ... + 8874248.

It is an arithmetic number, because the mean of its divisors is an integer number (17748492).

Almost surely, 2^53245473 is an apocalyptic number.

It is an amenable number.

53245473 is a deficient number, since it is larger than the sum of its proper divisors (17748495).

53245473 is a wasteful number, since it uses less digits than its factorization.

53245473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748494.

The product of its digits is 50400, while the sum is 33.

The square root of 53245473 is about 7296.9495681415. The cubic root of 53245473 is about 376.2075985963.

The spelling of 53245473 in words is "fifty-three million, two hundred forty-five thousand, four hundred seventy-three".