53612042521 has 8 divisors (see below), whose sum is σ = 53674010784. Its totient is φ = 53550108480.

The previous prime is 53612042479. The next prime is 53612042563. The reversal of 53612042521 is 12524021635.

It is an interprime number because it is at equal distance from previous prime (53612042479) and next prime (53612042563).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53612042521 - 2¹⁵ = 53612009753 is a prime.

It is a super-2 number, since 2×53612042521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53612042591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4283745 + ... + 4296241.

It is an arithmetic number, because the mean of its divisors is an integer number (6709251348).

Almost surely, 2^53612042521 is an apocalyptic number.

It is an amenable number.

53612042521 is a deficient number, since it is larger than the sum of its proper divisors (61968263).

53612042521 is a wasteful number, since it uses less digits than its factorization.

53612042521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17111.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 53612042521 in words is "fifty-three billion, six hundred twelve million, forty-two thousand, five hundred twenty-one".