51354240455 has 8 divisors (see below), whose sum is σ = 70428672672. Its totient is φ = 35214336288.

The previous prime is 51354240397. The next prime is 51354240463. The reversal of 51354240455 is 55404245315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51354240455 - 2¹² = 51354236359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733631972 + ... + 733632041.

It is an arithmetic number, because the mean of its divisors is an integer number (8803584084).

Almost surely, 2^51354240455 is an apocalyptic number.

51354240455 is a deficient number, since it is larger than the sum of its proper divisors (19074432217).

51354240455 is a wasteful number, since it uses less digits than its factorization.

51354240455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467264025.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 51354240455 in words is "fifty-one billion, three hundred fifty-four million, two hundred forty thousand, four hundred fifty-five".