53436604515 has 32 divisors (see below), whose sum is σ = 101082055680. Its totient is φ = 23585810304.

The previous prime is 53436604483. The next prime is 53436604517. The reversal of 53436604515 is 51540663435.

It is not a de Polignac number, because 53436604515 - 2⁵ = 53436604483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53436604517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8771439 + ... + 8777528.

It is an arithmetic number, because the mean of its divisors is an integer number (3158814240).

Almost surely, 2^53436604515 is an apocalyptic number.

53436604515 is a deficient number, since it is larger than the sum of its proper divisors (47645451165).

53436604515 is a wasteful number, since it uses less digits than its factorization.

53436604515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17549011.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 53436604515 in words is "fifty-three billion, four hundred thirty-six million, six hundred four thousand, five hundred fifteen".