53020536 has 16 divisors (see below), whose sum is σ = 132551400. Its totient is φ = 17673504.

The previous prime is 53020531. The next prime is 53020549. The reversal of 53020536 is 63502035.

It is a super-2 number, since 2×53020536² = 5622354475454592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2209189 = 53020536 / (5 + 3 + 0 + 2 + 0 + 5 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020531) 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, 1104571 + ... + 1104618.

Almost surely, 2^53020536 is an apocalyptic number.

It is an amenable number.

53020536 is an abundant number, since it is smaller than the sum of its proper divisors (79530864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53020536 is a wasteful number, since it uses less digits than its factorization.

53020536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209198 (or 2209194 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53020536 is about 7281.5201709533. The cubic root of 53020536 is about 375.6770843047.

The spelling of 53020536 in words is "fifty-three million, twenty thousand, five hundred thirty-six".