53450645 has 8 divisors (see below), whose sum is σ = 64282680. Its totient is φ = 42665920.

The previous prime is 53450623. The next prime is 53450651. The reversal of 53450645 is 54605435.

It can be written as a sum of positive squares in 4 ways, for example, as 3352561 + 50098084 = 1831^2 + 7078^2 .

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

It is not a de Polignac number, because 53450645 - 2¹⁴ = 53434261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9290 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (8035335).

Almost surely, 2^53450645 is an apocalyptic number.

It is an amenable number.

53450645 is a deficient number, since it is larger than the sum of its proper divisors (10832035).

53450645 is a wasteful number, since it uses less digits than its factorization.

53450645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23655.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 53450645 is about 7310.9948023508. The cubic root of 53450645 is about 376.6901957091.

The spelling of 53450645 in words is "fifty-three million, four hundred fifty thousand, six hundred forty-five".