53004742251 has 8 divisors (see below), whose sum is σ = 71321366160. Its totient is φ = 35012306592.

The previous prime is 53004742159. The next prime is 53004742279. The reversal of 53004742251 is 15224740035.

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

It is not a de Polignac number, because 53004742251 - 2⁷ = 53004742123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53004742291) 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, 81046680 + ... + 81047333.

It is an arithmetic number, because the mean of its divisors is an integer number (8915170770).

Almost surely, 2^53004742251 is an apocalyptic number.

53004742251 is a deficient number, since it is larger than the sum of its proper divisors (18316623909).

53004742251 is a wasteful number, since it uses less digits than its factorization.

53004742251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162094125.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 53004742251 in words is "fifty-three billion, four million, seven hundred forty-two thousand, two hundred fifty-one".