53501213015535 has 16 divisors (see below), whose sum is σ = 85682469487104. Its totient is φ = 28507137387552.

The previous prime is 53501213015531. The next prime is 53501213015597. The reversal of 53501213015535 is 53551031210535.

It is not a de Polignac number, because 53501213015535 - 2² = 53501213015531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53501213015493 and 53501213015502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501213015531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677663987 + ... + 1677695876.

It is an arithmetic number, because the mean of its divisors is an integer number (5355154342944).

Almost surely, 2^{53501213015535} is an apocalyptic number.

53501213015535 is a deficient number, since it is larger than the sum of its proper divisors (32181256471569).

53501213015535 is a wasteful number, since it uses less digits than its factorization.

53501213015535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355360934.

The product of its (nonzero) digits is 168750, while the sum is 39.

The spelling of 53501213015535 in words is "fifty-three trillion, five hundred one billion, two hundred thirteen million, fifteen thousand, five hundred thirty-five".