51043154254 has 4 divisors (see below), whose sum is σ = 76564731384. Its totient is φ = 25521577126.

The previous prime is 51043154207. The next prime is 51043154287. The reversal of 51043154254 is 45245134015.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12760788562 + ... + 12760788565.

It is an arithmetic number, because the mean of its divisors is an integer number (19141182846).

Almost surely, 2^51043154254 is an apocalyptic number.

51043154254 is a deficient number, since it is larger than the sum of its proper divisors (25521577130).

51043154254 is a wasteful number, since it uses less digits than its factorization.

51043154254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25521577129.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 51043154254 its reverse (45245134015), we get a palindrome (96288288269).

The spelling of 51043154254 in words is "fifty-one billion, forty-three million, one hundred fifty-four thousand, two hundred fifty-four".