53620569 has 16 divisors (see below), whose sum is σ = 80626240. Its totient is φ = 35212320.

The previous prime is 53620537. The next prime is 53620571. The reversal of 53620569 is 96502635.

It is not a de Polignac number, because 53620569 - 2⁵ = 53620537 is a prime.

It is a super-2 number, since 2×53620569² = 5750330839767522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53620529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13012 + ... + 16629.

It is an arithmetic number, because the mean of its divisors is an integer number (5039140).

Almost surely, 2^53620569 is an apocalyptic number.

It is an amenable number.

53620569 is a deficient number, since it is larger than the sum of its proper divisors (27005671).

53620569 is a wasteful number, since it uses less digits than its factorization.

53620569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29717 (or 29711 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 53620569 is about 7322.6067079968. The cubic root of 53620569 is about 377.0889498290.

The spelling of 53620569 in words is "fifty-three million, six hundred twenty thousand, five hundred sixty-nine".