53319545 has 8 divisors (see below), whose sum is σ = 66189960. Its totient is φ = 41184640.

The previous prime is 53319517. The next prime is 53319569. The reversal of 53319545 is 54591335.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 52954729 = 604^2 + 7277^2 .

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

It is not a de Polignac number, because 53319545 - 2⁶ = 53319481 is a prime.

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, 183716 + ... + 184005.

It is an arithmetic number, because the mean of its divisors is an integer number (8273745).

Almost surely, 2^53319545 is an apocalyptic number.

It is an amenable number.

53319545 is a deficient number, since it is larger than the sum of its proper divisors (12870415).

53319545 is a wasteful number, since it uses less digits than its factorization.

53319545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367755.

The product of its digits is 40500, while the sum is 35.

The square root of 53319545 is about 7302.0233497299. The cubic root of 53319545 is about 376.3819704605.

The spelling of 53319545 in words is "fifty-three million, three hundred nineteen thousand, five hundred forty-five".