53661258227 has 4 divisors (see below), whose sum is σ = 53885782560. Its totient is φ = 53436733896.

The previous prime is 53661258223. The next prime is 53661258283. The reversal of 53661258227 is 72285216635.

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 53661258227 - 2² = 53661258223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53661258223) 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, 112261808 + ... + 112262285.

It is an arithmetic number, because the mean of its divisors is an integer number (13471445640).

Almost surely, 2^53661258227 is an apocalyptic number.

53661258227 is a deficient number, since it is larger than the sum of its proper divisors (224524333).

53661258227 is a wasteful number, since it uses less digits than its factorization.

53661258227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224524332.

The product of its digits is 1209600, while the sum is 47.

The spelling of 53661258227 in words is "fifty-three billion, six hundred sixty-one million, two hundred fifty-eight thousand, two hundred twenty-seven".