54251215246 has 4 divisors (see below), whose sum is σ = 81376822872. Its totient is φ = 27125607622.

The previous prime is 54251215243. The next prime is 54251215279. The reversal of 54251215246 is 64251215245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54251215241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13562803810 + ... + 13562803813.

It is an arithmetic number, because the mean of its divisors is an integer number (20344205718).

Almost surely, 2^54251215246 is an apocalyptic number.

54251215246 is a deficient number, since it is larger than the sum of its proper divisors (27125607626).

54251215246 is a wasteful number, since it uses less digits than its factorization.

54251215246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27125607625.

The product of its digits is 96000, while the sum is 37.

Subtracting 54251215246 from its reverse (64251215245), we obtain a palindrome (9999999999).

The spelling of 54251215246 in words is "fifty-four billion, two hundred fifty-one million, two hundred fifteen thousand, two hundred forty-six".