53067745 has 4 divisors (see below), whose sum is σ = 63681300. Its totient is φ = 42454192.

The previous prime is 53067701. The next prime is 53067809. The reversal of 53067745 is 54776035.

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 22165264 + 30902481 = 4708^2 + 5559^2 .

It is a cyclic number.

It is not a de Polignac number, because 53067745 - 2⁷ = 53067617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5306770 + ... + 5306779.

It is an arithmetic number, because the mean of its divisors is an integer number (15920325).

Almost surely, 2^53067745 is an apocalyptic number.

It is an amenable number.

53067745 is a deficient number, since it is larger than the sum of its proper divisors (10613555).

53067745 is a wasteful number, since it uses less digits than its factorization.

53067745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613554.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 53067745 is about 7284.7611491387. The cubic root of 53067745 is about 375.7885510408.

The spelling of 53067745 in words is "fifty-three million, sixty-seven thousand, seven hundred forty-five".