53756705 has 8 divisors (see below), whose sum is σ = 64739304. Its totient is φ = 42851200.

The previous prime is 53756701. The next prime is 53756707. The reversal of 53756705 is 50765735.

It can be written as a sum of positive squares in 4 ways, for example, as 21049744 + 32706961 = 4588^2 + 5719^2 .

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

It is not a de Polignac number, because 53756705 - 2² = 53756701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53756701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17726 + ... + 20535.

It is an arithmetic number, because the mean of its divisors is an integer number (8092413).

Almost surely, 2^53756705 is an apocalyptic number.

It is an amenable number.

53756705 is a deficient number, since it is larger than the sum of its proper divisors (10982599).

53756705 is a wasteful number, since it uses less digits than its factorization.

53756705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38547.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 53756705 is about 7331.8964122524. The cubic root of 53756705 is about 377.4078075527.

The spelling of 53756705 in words is "fifty-three million, seven hundred fifty-six thousand, seven hundred five".