53515255251535 has 32 divisors (see below), whose sum is σ = 80064815150592. Its totient is φ = 33359978590080.

The previous prime is 53515255251509. The next prime is 53515255251553.

53515255251535 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53515255251535 - 2¹¹ = 53515255249487 is a prime.

It is a super-2 number, since 2×53515255251535² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125527044 + ... + 125952646.

It is an arithmetic number, because the mean of its divisors is an integer number (2502025473456).

Almost surely, 2^{53515255251535} is an apocalyptic number.

53515255251535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53515255251535 is a deficient number, since it is larger than the sum of its proper divisors (26549559899057).

53515255251535 is a wasteful number, since it uses less digits than its factorization.

53515255251535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752223.

The product of its digits is 14062500, while the sum is 52.

The spelling of 53515255251535 in words is "fifty-three trillion, five hundred fifteen billion, two hundred fifty-five million, two hundred fifty-one thousand, five hundred thirty-five".