53434473 has 4 divisors (see below), whose sum is σ = 71245968. Its totient is φ = 35622980.

The previous prime is 53434457. The next prime is 53434523. The reversal of 53434473 is 37443435.

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 53434473 - 2⁴ = 53434457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53434373) 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, 8905743 + ... + 8905748.

It is an arithmetic number, because the mean of its divisors is an integer number (17811492).

Almost surely, 2^53434473 is an apocalyptic number.

It is an amenable number.

53434473 is a deficient number, since it is larger than the sum of its proper divisors (17811495).

53434473 is a wasteful number, since it uses less digits than its factorization.

53434473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17811494.

The product of its digits is 60480, while the sum is 33.

The square root of 53434473 is about 7309.8887132432. Note that the first 3 decimals coincide. The cubic root of 53434473 is about 376.6522014789.

The spelling of 53434473 in words is "fifty-three million, four hundred thirty-four thousand, four hundred seventy-three".