53525661215 has 32 divisors (see below), whose sum is σ = 69554155776. Its totient is φ = 39308613120.

The previous prime is 53525661199. The next prime is 53525661229. The reversal of 53525661215 is 51216652535.

53525661215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53525661215 - 2⁴ = 53525661199 is a prime.

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, 10795517 + ... + 10800473.

It is an arithmetic number, because the mean of its divisors is an integer number (2173567368).

Almost surely, 2^53525661215 is an apocalyptic number.

53525661215 is a deficient number, since it is larger than the sum of its proper divisors (16028494561).

53525661215 is a wasteful number, since it uses less digits than its factorization.

53525661215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859.

The product of its digits is 270000, while the sum is 41.

The spelling of 53525661215 in words is "fifty-three billion, five hundred twenty-five million, six hundred sixty-one thousand, two hundred fifteen".