53054730251 has 4 divisors (see below), whose sum is σ = 54348748104. Its totient is φ = 51760712400.

The previous prime is 53054730247. The next prime is 53054730263. The reversal of 53054730251 is 15203745035.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53054730251 - 2² = 53054730247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53054750251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647008865 + ... + 647008946.

It is an arithmetic number, because the mean of its divisors is an integer number (13587187026).

Almost surely, 2^53054730251 is an apocalyptic number.

53054730251 is a deficient number, since it is larger than the sum of its proper divisors (1294017853).

53054730251 is a wasteful number, since it uses less digits than its factorization.

53054730251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294017852.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 53054730251 in words is "fifty-three billion, fifty-four million, seven hundred thirty thousand, two hundred fifty-one".