53511745 has 16 divisors (see below), whose sum is σ = 73801728. Its totient is φ = 36486720.

The previous prime is 53511713. The next prime is 53511751. The reversal of 53511745 is 54711535.

It is not a de Polignac number, because 53511745 - 2⁵ = 53511713 is a prime.

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, 2112 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (4612608).

Almost surely, 2^53511745 is an apocalyptic number.

It is an amenable number.

53511745 is a deficient number, since it is larger than the sum of its proper divisors (20289983).

53511745 is a wasteful number, since it uses less digits than its factorization.

53511745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its digits is 10500, while the sum is 31.

The square root of 53511745 is about 7315.1722467759. The cubic root of 53511745 is about 376.8336739070.

The spelling of 53511745 in words is "fifty-three million, five hundred eleven thousand, seven hundred forty-five".