51054040452 has 12 divisors (see below), whose sum is σ = 119126094416. Its totient is φ = 17018013480.

The previous prime is 51054040423. The next prime is 51054040489. The reversal of 51054040452 is 25404045015.

51054040452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127251674 + ... + 2127251697.

Almost surely, 2^51054040452 is an apocalyptic number.

It is an amenable number.

51054040452 is an abundant number, since it is smaller than the sum of its proper divisors (68072053964).

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

51054040452 is a wasteful number, since it uses less digits than its factorization.

51054040452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254503378 (or 4254503376 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 51054040452 its reverse (25404045015), we get a palindrome (76458085467).

The spelling of 51054040452 in words is "fifty-one billion, fifty-four million, forty thousand, four hundred fifty-two".