53521526455 has 16 divisors (see below), whose sum is σ = 67745018880. Its totient is φ = 40480355232.

The previous prime is 53521526393. The next prime is 53521526497. The reversal of 53521526455 is 55462512535.

It is a cyclic number.

It is not a de Polignac number, because 53521526455 - 2¹³ = 53521518263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532159 + ... + 624688.

It is an arithmetic number, because the mean of its divisors is an integer number (4234063680).

Almost surely, 2^53521526455 is an apocalyptic number.

53521526455 is a deficient number, since it is larger than the sum of its proper divisors (14223492425).

53521526455 is a wasteful number, since it uses less digits than its factorization.

53521526455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157358.

The product of its digits is 900000, while the sum is 43.

The spelling of 53521526455 in words is "fifty-three billion, five hundred twenty-one million, five hundred twenty-six thousand, four hundred fifty-five".