53713145 has 4 divisors (see below), whose sum is σ = 64455780. Its totient is φ = 42970512.

The previous prime is 53713141. The next prime is 53713147. The reversal of 53713145 is 54131735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39904489 + 13808656 = 6317^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 53713145 - 2² = 53713141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53713141) 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, 5371310 + ... + 5371319.

It is an arithmetic number, because the mean of its divisors is an integer number (16113945).

Almost surely, 2^53713145 is an apocalyptic number.

It is an amenable number.

53713145 is a deficient number, since it is larger than the sum of its proper divisors (10742635).

53713145 is a wasteful number, since it uses less digits than its factorization.

53713145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742634.

The product of its digits is 6300, while the sum is 29.

The square root of 53713145 is about 7328.9252281627. The cubic root of 53713145 is about 377.3058399525.

The spelling of 53713145 in words is "fifty-three million, seven hundred thirteen thousand, one hundred forty-five".