53345455 has 4 divisors (see below), whose sum is σ = 64014552. Its totient is φ = 42676360.

The previous prime is 53345449. The next prime is 53345459. The reversal of 53345455 is 55454335.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53345455 - 2³ = 53345447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53345455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53345459) 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, 5334541 + ... + 5334550.

It is an arithmetic number, because the mean of its divisors is an integer number (16003638).

Almost surely, 2^53345455 is an apocalyptic number.

53345455 is a deficient number, since it is larger than the sum of its proper divisors (10669097).

53345455 is a wasteful number, since it uses less digits than its factorization.

53345455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669096.

The product of its digits is 90000, while the sum is 34.

The square root of 53345455 is about 7303.7973000351. The cubic root of 53345455 is about 376.4429267049.

The spelling of 53345455 in words is "fifty-three million, three hundred forty-five thousand, four hundred fifty-five".