53620563 has 4 divisors (see below), whose sum is σ = 71494088. Its totient is φ = 35747040.

The previous prime is 53620537. The next prime is 53620571. The reversal of 53620563 is 36502635.

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

It is not a de Polignac number, because 53620563 - 2⁵ = 53620531 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 53620563.

It is not an unprimeable number, because it can be changed into a prime (53620513) 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, 8936758 + ... + 8936763.

It is an arithmetic number, because the mean of its divisors is an integer number (17873522).

Almost surely, 2^53620563 is an apocalyptic number.

53620563 is a deficient number, since it is larger than the sum of its proper divisors (17873525).

53620563 is a wasteful number, since it uses less digits than its factorization.

53620563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17873524.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 53620563 is about 7322.6062983066. The cubic root of 53620563 is about 377.0889357639.

The spelling of 53620563 in words is "fifty-three million, six hundred twenty thousand, five hundred sixty-three".