53964653 has 4 divisors (see below), whose sum is σ = 54982908. Its totient is φ = 52946400.

The previous prime is 53964649. The next prime is 53964661. The reversal of 53964653 is 35646935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35646935 = 5 ⋅7129387.

It can be written as a sum of positive squares in 2 ways, for example, as 17156164 + 36808489 = 4142^2 + 6067^2 .

It is a cyclic number.

It is not a de Polignac number, because 53964653 - 2² = 53964649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53964653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53964553) 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, 509048 + ... + 509153.

It is an arithmetic number, because the mean of its divisors is an integer number (13745727).

Almost surely, 2^53964653 is an apocalyptic number.

53964653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53964653 is a deficient number, since it is larger than the sum of its proper divisors (1018255).

53964653 is a wasteful number, since it uses less digits than its factorization.

53964653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018254.

The product of its digits is 291600, while the sum is 41.

The square root of 53964653 is about 7346.0637759279. The cubic root of 53964653 is about 377.8938258020.

The spelling of 53964653 in words is "fifty-three million, nine hundred sixty-four thousand, six hundred fifty-three".