53342645 has 16 divisors (see below), whose sum is σ = 65897712. Its totient is φ = 41433600.

The previous prime is 53342587. The next prime is 53342659. The reversal of 53342645 is 54624335.

It can be written as a sum of positive squares in 8 ways, for example, as 10387729 + 42954916 = 3223^2 + 6554^2 .

It is not a de Polignac number, because 53342645 - 2⁶ = 53342581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25769 + ... + 27761.

It is an arithmetic number, because the mean of its divisors is an integer number (4118607).

Almost surely, 2^53342645 is an apocalyptic number.

It is an amenable number.

53342645 is a deficient number, since it is larger than the sum of its proper divisors (12555067).

53342645 is a wasteful number, since it uses less digits than its factorization.

53342645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its digits is 43200, while the sum is 32.

The square root of 53342645 is about 7303.6049318128. The cubic root of 53342645 is about 376.4363168122.

The spelling of 53342645 in words is "fifty-three million, three hundred forty-two thousand, six hundred forty-five".