53215435 has 64 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 31352832.

The previous prime is 53215433. The next prime is 53215439. The reversal of 53215435 is 53451235.

53215435 = 25² + 26² + ... + 542².

53215435 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 53215435 - 2¹ = 53215433 is a prime.

Its product of digits (9000) is a multiple of the sum of its prime divisors (200).

It is not an unprimeable number, because it can be changed into a prime (53215433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 488161 + ... + 488269.

It is an arithmetic number, because the mean of its divisors is an integer number (1316700).

Almost surely, 2^53215435 is an apocalyptic number.

53215435 is a deficient number, since it is larger than the sum of its proper divisors (31053365).

53215435 is a wasteful number, since it uses less digits than its factorization.

53215435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200.

The product of its digits is 9000, while the sum is 28.

The square root of 53215435 is about 7294.8910204334. The cubic root of 53215435 is about 376.1368404710.

The spelling of 53215435 in words is "fifty-three million, two hundred fifteen thousand, four hundred thirty-five".