54241142515251 has 4 divisors (see below), whose sum is σ = 72321523353672. Its totient is φ = 36160761676832.

The previous prime is 54241142515193. The next prime is 54241142515267. The reversal of 54241142515251 is 15251524114245.

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 54241142515251 - 2³¹ = 54238995031603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54241142315251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9040190419206 + ... + 9040190419211.

It is an arithmetic number, because the mean of its divisors is an integer number (18080380838418).

Almost surely, 2^{54241142515251} is an apocalyptic number.

54241142515251 is a deficient number, since it is larger than the sum of its proper divisors (18080380838421).

54241142515251 is a wasteful number, since it uses less digits than its factorization.

54241142515251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18080380838420.

The product of its digits is 320000, while the sum is 42.

Adding to 54241142515251 its reverse (15251524114245), we get a palindrome (69492666629496).

The spelling of 54241142515251 in words is "fifty-four trillion, two hundred forty-one billion, one hundred forty-two million, five hundred fifteen thousand, two hundred fifty-one".