51054402514 has 4 divisors (see below), whose sum is σ = 76581603774. Its totient is φ = 25527201256.

The previous prime is 51054402439. The next prime is 51054402551. The reversal of 51054402514 is 41520445015.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 46917726025 + 4136676489 = 216605^2 + 64317^2 .

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, 12763600627 + ... + 12763600630.

Almost surely, 2^51054402514 is an apocalyptic number.

51054402514 is a deficient number, since it is larger than the sum of its proper divisors (25527201260).

51054402514 is a wasteful number, since it uses less digits than its factorization.

51054402514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25527201259.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 51054402514 its reverse (41520445015), we get a palindrome (92574847529).

The spelling of 51054402514 in words is "fifty-one billion, fifty-four million, four hundred two thousand, five hundred fourteen".