53540961527 has 4 divisors (see below), whose sum is σ = 53582693880. Its totient is φ = 53499229176.

The previous prime is 53540961511. The next prime is 53540961533. The reversal of 53540961527 is 72516904535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53540961527 - 2⁴ = 53540961511 is a prime.

It is a super-2 number, since 2×53540961527² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540967527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20864252 + ... + 20866817.

It is an arithmetic number, because the mean of its divisors is an integer number (13395673470).

Almost surely, 2^53540961527 is an apocalyptic number.

53540961527 is a deficient number, since it is larger than the sum of its proper divisors (41732353).

53540961527 is a wasteful number, since it uses less digits than its factorization.

53540961527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41732352.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 53540961527 in words is "fifty-three billion, five hundred forty million, nine hundred sixty-one thousand, five hundred twenty-seven".