51054215320 has 64 divisors (see below), whose sum is σ = 115794943200. Its totient is φ = 20258165760.

The previous prime is 51054215291. The next prime is 51054215321. The reversal of 51054215320 is 2351245015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51054215321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005892 + ... + 3022828.

Almost surely, 2^51054215320 is an apocalyptic number.

It is an amenable number.

51054215320 is an abundant number, since it is smaller than the sum of its proper divisors (64740727880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51054215320 is a wasteful number, since it uses less digits than its factorization.

51054215320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17548 (or 17544 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 51054215320 in words is "fifty-one billion, fifty-four million, two hundred fifteen thousand, three hundred twenty".