51054335420 has 24 divisors (see below), whose sum is σ = 116960841648. Its totient is φ = 18565212800.

The previous prime is 51054335329. The next prime is 51054335447. The reversal of 51054335420 is 2453345015.

It is a happy 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, 116032361 + ... + 116032800.

It is an arithmetic number, because the mean of its divisors is an integer number (4873368402).

Almost surely, 2^51054335420 is an apocalyptic number.

It is an amenable number.

51054335420 is an abundant number, since it is smaller than the sum of its proper divisors (65906506228).

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

51054335420 is a wasteful number, since it uses less digits than its factorization.

51054335420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232065181 (or 232065179 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 51054335420 in words is "fifty-one billion, fifty-four million, three hundred thirty-five thousand, four hundred twenty".