53657557627 has 4 divisors (see below), whose sum is σ = 53695266400. Its totient is φ = 53619848856.

The previous prime is 53657557573. The next prime is 53657557637. The reversal of 53657557627 is 72675575635.

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 53657557627 - 2¹⁵ = 53657524859 is a prime.

It is a super-2 number, since 2×53657557627² (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 (53657557637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18852252 + ... + 18855097.

It is an arithmetic number, because the mean of its divisors is an integer number (13423816600).

Almost surely, 2^53657557627 is an apocalyptic number.

53657557627 is a deficient number, since it is larger than the sum of its proper divisors (37708773).

53657557627 is a wasteful number, since it uses less digits than its factorization.

53657557627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37708772.

The product of its digits is 46305000, while the sum is 58.

The spelling of 53657557627 in words is "fifty-three billion, six hundred fifty-seven million, five hundred fifty-seven thousand, six hundred twenty-seven".