53501213015513 has 16 divisors (see below), whose sum is σ = 54976182233664. Its totient is φ = 52027776273600.

The previous prime is 53501213015491. The next prime is 53501213015531. The reversal of 53501213015513 is 31551031210535.

It is a cyclic number.

It is not a de Polignac number, because 53501213015513 - 2¹⁰ = 53501213014489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53501213065513) 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, 639947831 + ... + 640031427.

It is an arithmetic number, because the mean of its divisors is an integer number (3436011389604).

Almost surely, 2^{53501213015513} is an apocalyptic number.

It is an amenable number.

53501213015513 is a deficient number, since it is larger than the sum of its proper divisors (1474969218151).

53501213015513 is a wasteful number, since it uses less digits than its factorization.

53501213015513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92552.

The product of its (nonzero) digits is 33750, while the sum is 35.

The spelling of 53501213015513 in words is "fifty-three trillion, five hundred one billion, two hundred thirteen million, fifteen thousand, five hundred thirteen".