53515396 has 18 divisors (see below), whose sum is σ = 102940670. Its totient is φ = 24324960.

The previous prime is 53515391. The next prime is 53515447. The reversal of 53515396 is 69351535.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 6400900 = 6864^2 + 2530^2 .

It is not an unprimeable number, because it can be changed into a prime (53515391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54801 + ... + 55768.

Almost surely, 2^53515396 is an apocalyptic number.

It is an amenable number.

53515396 is a deficient number, since it is larger than the sum of its proper divisors (49425274).

53515396 is a wasteful number, since it uses less digits than its factorization.

53515396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110595 (or 110582 counting only the distinct ones).

The product of its digits is 60750, while the sum is 37.

The square root of 53515396 is about 7315.4217923507. The cubic root of 53515396 is about 376.8422439163.

It can be divided in two parts, 535 and 15396, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 53515396 in words is "fifty-three million, five hundred fifteen thousand, three hundred ninety-six".