53257144427 has 8 divisors (see below), whose sum is σ = 53621891232. Its totient is φ = 52893172800.

The previous prime is 53257144411. The next prime is 53257144433. The reversal of 53257144427 is 72444175235.

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 53257144427 - 2⁴ = 53257144411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53257140427) 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, 55583 + ... + 331064.

It is an arithmetic number, because the mean of its divisors is an integer number (6702736404).

Almost surely, 2^53257144427 is an apocalyptic number.

53257144427 is a deficient number, since it is larger than the sum of its proper divisors (364746805).

53257144427 is a wasteful number, since it uses less digits than its factorization.

53257144427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387589.

The product of its digits is 940800, while the sum is 44.

The spelling of 53257144427 in words is "fifty-three billion, two hundred fifty-seven million, one hundred forty-four thousand, four hundred twenty-seven".