52653515 has 4 divisors (see below), whose sum is σ = 63184224. Its totient is φ = 42122808.

The previous prime is 52653511. The next prime is 52653521. The reversal of 52653515 is 51535625.

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

It is a cyclic number.

It is not a de Polignac number, because 52653515 - 2² = 52653511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52653511) 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, 5265347 + ... + 5265356.

It is an arithmetic number, because the mean of its divisors is an integer number (15796056).

Almost surely, 2^52653515 is an apocalyptic number.

52653515 is a deficient number, since it is larger than the sum of its proper divisors (10530709).

52653515 is a wasteful number, since it uses less digits than its factorization.

52653515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530708.

The product of its digits is 22500, while the sum is 32.

The square root of 52653515 is about 7256.2741816996. The cubic root of 52653515 is about 374.8082338038.

The spelling of 52653515 in words is "fifty-two million, six hundred fifty-three thousand, five hundred fifteen".