51504523420542 has 8 divisors (see below), whose sum is σ = 103009046841096. Its totient is φ = 17168174473512.

The previous prime is 51504523420513. The next prime is 51504523420577. The reversal of 51504523420542 is 24502432540515.

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

51504523420542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51504523420494 and 51504523420503.

It is a congruent number.

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, 4292043618373 + ... + 4292043618384.

It is an arithmetic number, because the mean of its divisors is an integer number (12876130855137).

Almost surely, 2^{51504523420542} is an apocalyptic number.

51504523420542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51504523420542 is a wasteful number, since it uses less digits than its factorization.

51504523420542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584087236762.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 51504523420542 in words is "fifty-one trillion, five hundred four billion, five hundred twenty-three million, four hundred twenty thousand, five hundred forty-two".